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DQ_003745 | How many parts of a leaf cell are there? | question_images/parts_leaf_3855.png | a. 8, b. 7, c. 9, d. 10 | d | DQ_003742 | image | question_images/parts_leaf_3855.png | parts_leaf_3855.png | 1 |
DQ_003745 | How many parts of a leaf cell are there? | question_images/parts_leaf_3855.png | a. 8, b. 7, c. 9, d. 10 | d | DD_0107 | image | teaching_images/parts_leaf_3854.png | The diagram shows the main parts of a cross section of a typical plant leaf. The cross section of a typical leaf is divisible into three main parts namely, the Epidermis, Mesophyll, and the Veins. The Epidermis is made of several layers of cells that are sandwiched between two layers. The Epidermis protects the tissues which lie between them and also helps in the process of gaseous exchange. Epidermis is further divisible into two types called, the Upper Epidermis and the Lower Epidermis. Beneath the Epidermis is the Mesophyll where Photosynthesis takes place. Photosynthesis is the process by which plants make their own food like sugars & amino acids. The Veins (surrounded by the Bundle sheath cells) provides the necessary support to the leaf in the transport of water and plant food to other parts of the plant. The Stoma located in the Lower Epidermis is an opening that control the gaseous exchange that occurs between the leaf and the atmosphere during photosynthesis. The gas exchange involves the use of common gas like Carbon Dioxide and Oxygen. | 0.83786 |
DQ_003745 | How many parts of a leaf cell are there? | question_images/parts_leaf_3855.png | a. 8, b. 7, c. 9, d. 10 | d | DQ_003698 | image | question_images/parts_leaf_3139.png | parts_leaf_3139.png | 0.82481 |
DQ_003745 | How many parts of a leaf cell are there? | question_images/parts_leaf_3855.png | a. 8, b. 7, c. 9, d. 10 | d | DQ_003762 | image | question_images/parts_leaf_556.png | parts_leaf_556.png | 0.814715 |
DQ_003745 | How many parts of a leaf cell are there? | question_images/parts_leaf_3855.png | a. 8, b. 7, c. 9, d. 10 | d | DQ_003601 | image | question_images/parts_leaf_1117.png | parts_leaf_1117.png | 0.806228 |
DQ_003745 | How many parts of a leaf cell are there? | question_images/parts_leaf_3855.png | a. 8, b. 7, c. 9, d. 10 | d | DQ_003735 | image | question_images/parts_leaf_3853.png | parts_leaf_3853.png | 0.802652 |
DQ_003745 | How many parts of a leaf cell are there? | question_images/parts_leaf_3855.png | a. 8, b. 7, c. 9, d. 10 | d | DQ_003703 | image | question_images/parts_leaf_3140.png | parts_leaf_3140.png | 0.783516 |
DQ_003745 | How many parts of a leaf cell are there? | question_images/parts_leaf_3855.png | a. 8, b. 7, c. 9, d. 10 | d | DQ_003337 | image | abc_question_images/parts_leaf_11117.png | parts_leaf_11117.png | 0.779457 |
DQ_003745 | How many parts of a leaf cell are there? | question_images/parts_leaf_3855.png | a. 8, b. 7, c. 9, d. 10 | d | DQ_003684 | image | question_images/parts_leaf_3137.png | parts_leaf_3137.png | 0.7713 |
DQ_003745 | How many parts of a leaf cell are there? | question_images/parts_leaf_3855.png | a. 8, b. 7, c. 9, d. 10 | d | DQ_003363 | image | abc_question_images/parts_leaf_13137.png | parts_leaf_13137.png | 0.7713 |
DQ_003745 | How many parts of a leaf cell are there? | question_images/parts_leaf_3855.png | a. 8, b. 7, c. 9, d. 10 | d | T_2469 | text | null | Why does a cell have cytoplasm? Cytoplasm has several important functions. These include: suspending cell organelles. pushing against the cell membrane to help the cell keep its shape. providing a site for many of the biochemical reactions of the cell. | 0.654804 |
DQ_003745 | How many parts of a leaf cell are there? | question_images/parts_leaf_3855.png | a. 8, b. 7, c. 9, d. 10 | d | T_2471 | text | null | Eukaryotic cells contain a nucleus and several other types of organelles. These structures carry out many vital cell functions. | 0.64724 |
DQ_003745 | How many parts of a leaf cell are there? | question_images/parts_leaf_3855.png | a. 8, b. 7, c. 9, d. 10 | d | T_3261 | text | null | Even though plants and animals are both eukaryotes, plant cells differ in some ways from animal cells ( Figure organelles of photosynthesis. Photosynthesis converts the suns solar energy into chemical energy. This chemical energy, which is the carbohydrate glucose, serves as "food" for the plant. | 0.621788 |
DQ_003745 | How many parts of a leaf cell are there? | question_images/parts_leaf_3855.png | a. 8, b. 7, c. 9, d. 10 | d | T_3299 | text | null | What goes into the cell? Oxygen and glucose are both reactants of cellular respiration. Oxygen enters the body when an organism breathes. Glucose enters the body when an organism eats. | 0.619833 |
DQ_003745 | How many parts of a leaf cell are there? | question_images/parts_leaf_3855.png | a. 8, b. 7, c. 9, d. 10 | d | T_2956 | text | null | Scientists used to think that fungi were members of the plant kingdom. They thought this because fungi had several similarities to plants. For example: Fungi and plants have similar structures. Plants and fungi live in the same kinds of habitats, such as growing in soil. Plants and fungi cells both have a cell wall, which animals do not have. | 0.616283 |
DQ_003745 | How many parts of a leaf cell are there? | question_images/parts_leaf_3855.png | a. 8, b. 7, c. 9, d. 10 | d | T_1598 | text | null | Plants and animals depend on water to live. They also play a role in the water cycle. Plants take up water from the soil and release large amounts of water vapor into the air through their leaves (Figure 1.3), a process known as transpiration. | 0.612203 |
DQ_003745 | How many parts of a leaf cell are there? | question_images/parts_leaf_3855.png | a. 8, b. 7, c. 9, d. 10 | d | T_2522 | text | null | The cell cycle of a prokaryotic cell is simple. The cell grows in size, its DNA replicates, and the cell divides. | 0.611034 |
DQ_003745 | How many parts of a leaf cell are there? | question_images/parts_leaf_3855.png | a. 8, b. 7, c. 9, d. 10 | d | T_2459 | text | null | Besides the four parts listed above, many cells also have a nucleus. The nucleus of a cell is a structure enclosed by a membrane that contains most of the cells DNA. Cells are classified in two major groups based on whether or not they have a nucleus. The two groups are prokaryotic cells and eukaryotic cells. | 0.606162 |
DQ_003745 | How many parts of a leaf cell are there? | question_images/parts_leaf_3855.png | a. 8, b. 7, c. 9, d. 10 | d | T_1312 | text | null | In photosynthesis, plants use CO2 and create O2 . Photosynthesis is responsible for nearly all of the oxygen currently found in the atmosphere. The chemical reaction for photosynthesis is: 6CO2 + 6H2 O + solar energy C6 H12 O6 (sugar) + 6O2 | 0.604184 |
DQ_003745 | How many parts of a leaf cell are there? | question_images/parts_leaf_3855.png | a. 8, b. 7, c. 9, d. 10 | d | T_2468 | text | null | Cytoplasm is everything inside the cell membrane (except the nucleus if there is one). It includes the watery, gel-like cytosol. It also includes other structures. The water in the cytoplasm makes up about two-thirds of the cells weight. It gives the cell many of its properties. | 0.600063 |
DQ_003746 | Where is the petiole connected to the leaf? | question_images/parts_leaf_3859.png | a. At the apex, b. At the axillary bud, c. At the base, d. At the margin | c | DQ_003746 | image | question_images/parts_leaf_3859.png | parts_leaf_3859.png | 1 |
DQ_003746 | Where is the petiole connected to the leaf? | question_images/parts_leaf_3859.png | a. At the apex, b. At the axillary bud, c. At the base, d. At the margin | c | DQ_003529 | image | question_images/parts_leaf_1088.png | parts_leaf_1088.png | 0.928679 |
DQ_003746 | Where is the petiole connected to the leaf? | question_images/parts_leaf_3859.png | a. At the apex, b. At the axillary bud, c. At the base, d. At the margin | c | DQ_003806 | image | question_images/parts_leaf_6265.png | parts_leaf_6265.png | 0.836394 |
DQ_003746 | Where is the petiole connected to the leaf? | question_images/parts_leaf_3859.png | a. At the apex, b. At the axillary bud, c. At the base, d. At the margin | c | DQ_003573 | image | question_images/parts_leaf_1112.png | parts_leaf_1112.png | 0.822248 |
DQ_003746 | Where is the petiole connected to the leaf? | question_images/parts_leaf_3859.png | a. At the apex, b. At the axillary bud, c. At the base, d. At the margin | c | DD_0110 | image | teaching_images/parts_leaf_557.png | This diagram shows the parts of a leaf. The Blade is the broad flat part of the leaf. The Petiole is the stemlike part of the leaf that joins the blade to the stem. The Stipules are two small flaps that grow at the base of the petiole of some plants. A leaf has several veins. Veins carry food and water in a leaf. They also support the blade. The large central vein which extends from the base of the blade to its tip is called the Midrib. Smaller veins connect the midrib to other parts of the blade. | 0.8173 |
DQ_003746 | Where is the petiole connected to the leaf? | question_images/parts_leaf_3859.png | a. At the apex, b. At the axillary bud, c. At the base, d. At the margin | c | DQ_003635 | image | question_images/parts_leaf_1124.png | parts_leaf_1124.png | 0.786719 |
DQ_003746 | Where is the petiole connected to the leaf? | question_images/parts_leaf_3859.png | a. At the apex, b. At the axillary bud, c. At the base, d. At the margin | c | DQ_003728 | image | question_images/parts_leaf_3844.png | parts_leaf_3844.png | 0.778016 |
DQ_003746 | Where is the petiole connected to the leaf? | question_images/parts_leaf_3859.png | a. At the apex, b. At the axillary bud, c. At the base, d. At the margin | c | DQ_003716 | image | question_images/parts_leaf_3149.png | parts_leaf_3149.png | 0.775973 |
DQ_003746 | Where is the petiole connected to the leaf? | question_images/parts_leaf_3859.png | a. At the apex, b. At the axillary bud, c. At the base, d. At the margin | c | DQ_003327 | image | abc_question_images/parts_leaf_11090.png | parts_leaf_11090.png | 0.774254 |
DQ_003746 | Where is the petiole connected to the leaf? | question_images/parts_leaf_3859.png | a. At the apex, b. At the axillary bud, c. At the base, d. At the margin | c | DQ_003534 | image | question_images/parts_leaf_1090.png | parts_leaf_1090.png | 0.77324 |
DQ_003746 | Where is the petiole connected to the leaf? | question_images/parts_leaf_3859.png | a. At the apex, b. At the axillary bud, c. At the base, d. At the margin | c | T_3385 | text | null | Plants seem to grow wherever they can. How? Plants cant move on their own. So how does a plant start growing in a new area? | 0.451834 |
DQ_003746 | Where is the petiole connected to the leaf? | question_images/parts_leaf_3859.png | a. At the apex, b. At the axillary bud, c. At the base, d. At the margin | c | T_2527 | text | null | Budding occurs when a parent cell forms a bubble-like bud. The bud stays attached to the parent while it grows and develops. It breaks away from the parent only after it is fully formed. Yeasts can reproduce this way. You can see two yeast cells budding in Figure 5.11. | 0.447956 |
DQ_003746 | Where is the petiole connected to the leaf? | question_images/parts_leaf_3859.png | a. At the apex, b. At the axillary bud, c. At the base, d. At the margin | c | T_1312 | text | null | In photosynthesis, plants use CO2 and create O2 . Photosynthesis is responsible for nearly all of the oxygen currently found in the atmosphere. The chemical reaction for photosynthesis is: 6CO2 + 6H2 O + solar energy C6 H12 O6 (sugar) + 6O2 | 0.428652 |
DQ_003746 | Where is the petiole connected to the leaf? | question_images/parts_leaf_3859.png | a. At the apex, b. At the axillary bud, c. At the base, d. At the margin | c | T_3329 | text | null | Seedless plants can reproduce asexually or sexually. Some seedless plants, like hornworts and liverworts, can reproduce asexually through fragmentation. When a small fragment of the plant is broken off, it can form a new plant. | 0.424376 |
DQ_003746 | Where is the petiole connected to the leaf? | question_images/parts_leaf_3859.png | a. At the apex, b. At the axillary bud, c. At the base, d. At the margin | c | T_1598 | text | null | Plants and animals depend on water to live. They also play a role in the water cycle. Plants take up water from the soil and release large amounts of water vapor into the air through their leaves (Figure 1.3), a process known as transpiration. | 0.423559 |
DQ_003746 | Where is the petiole connected to the leaf? | question_images/parts_leaf_3859.png | a. At the apex, b. At the axillary bud, c. At the base, d. At the margin | c | T_1950 | text | null | The most basic division of modern plants is between nonvascular and vascular plants. Vascular plants are further divided into those that reproduce without seeds and those that reproduce with seeds. Seed plants, in turn, are divided into those that produce naked seeds in cones and those that produce seeds in the ovaries of flowers. | 0.412928 |
DQ_003746 | Where is the petiole connected to the leaf? | question_images/parts_leaf_3859.png | a. At the apex, b. At the axillary bud, c. At the base, d. At the margin | c | T_2971 | text | null | Gymnosperms have seeds, but they do not produce fruit. Instead, the seeds of gymnosperms are usually found in cones. There are four phyla of gymnosperms: 1. Conifers 2. Cycads 3. Ginkgoes 4. Gnetophytes | 0.409078 |
DQ_003746 | Where is the petiole connected to the leaf? | question_images/parts_leaf_3859.png | a. At the apex, b. At the axillary bud, c. At the base, d. At the margin | c | T_3260 | text | null | Why do leaves change color each fall? This MIT video demonstrates an experiment about the different pigments in leaves. See the video at . Click image to the left or use the URL below. URL: | 0.401413 |
DQ_003746 | Where is the petiole connected to the leaf? | question_images/parts_leaf_3859.png | a. At the apex, b. At the axillary bud, c. At the base, d. At the margin | c | T_0987 | text | null | Now that you know what chemical weathering is, can you think of some other ways chemical weathering might occur? Chemical weathering can also be contributed to by plants and animals. As plant roots take in soluble ions as nutrients, certain elements are exchanged. Plant roots and bacterial decay use carbon dioxide in the process of respiration. | 0.401057 |
DQ_003746 | Where is the petiole connected to the leaf? | question_images/parts_leaf_3859.png | a. At the apex, b. At the axillary bud, c. At the base, d. At the margin | c | T_1947 | text | null | Some seed plants evolved another major adaptation. This was the formation of seeds in flowers. Flowers are plant structures that contain male and/or female reproductive organs. | 0.400853 |
DQ_003747 | What is the part that connects a leaf to a stem? | question_images/parts_leaf_3859.png | a. apex, b. midrib, c. petiole, d. base | c | DQ_003746 | image | question_images/parts_leaf_3859.png | parts_leaf_3859.png | 1 |
DQ_003747 | What is the part that connects a leaf to a stem? | question_images/parts_leaf_3859.png | a. apex, b. midrib, c. petiole, d. base | c | DQ_003529 | image | question_images/parts_leaf_1088.png | parts_leaf_1088.png | 0.928679 |
DQ_003747 | What is the part that connects a leaf to a stem? | question_images/parts_leaf_3859.png | a. apex, b. midrib, c. petiole, d. base | c | DQ_003806 | image | question_images/parts_leaf_6265.png | parts_leaf_6265.png | 0.836394 |
DQ_003747 | What is the part that connects a leaf to a stem? | question_images/parts_leaf_3859.png | a. apex, b. midrib, c. petiole, d. base | c | DQ_003573 | image | question_images/parts_leaf_1112.png | parts_leaf_1112.png | 0.822248 |
DQ_003747 | What is the part that connects a leaf to a stem? | question_images/parts_leaf_3859.png | a. apex, b. midrib, c. petiole, d. base | c | DD_0110 | image | teaching_images/parts_leaf_557.png | This diagram shows the parts of a leaf. The Blade is the broad flat part of the leaf. The Petiole is the stemlike part of the leaf that joins the blade to the stem. The Stipules are two small flaps that grow at the base of the petiole of some plants. A leaf has several veins. Veins carry food and water in a leaf. They also support the blade. The large central vein which extends from the base of the blade to its tip is called the Midrib. Smaller veins connect the midrib to other parts of the blade. | 0.8173 |
DQ_003747 | What is the part that connects a leaf to a stem? | question_images/parts_leaf_3859.png | a. apex, b. midrib, c. petiole, d. base | c | DQ_003635 | image | question_images/parts_leaf_1124.png | parts_leaf_1124.png | 0.786719 |
DQ_003747 | What is the part that connects a leaf to a stem? | question_images/parts_leaf_3859.png | a. apex, b. midrib, c. petiole, d. base | c | DQ_003728 | image | question_images/parts_leaf_3844.png | parts_leaf_3844.png | 0.778016 |
DQ_003747 | What is the part that connects a leaf to a stem? | question_images/parts_leaf_3859.png | a. apex, b. midrib, c. petiole, d. base | c | DQ_003716 | image | question_images/parts_leaf_3149.png | parts_leaf_3149.png | 0.775973 |
DQ_003747 | What is the part that connects a leaf to a stem? | question_images/parts_leaf_3859.png | a. apex, b. midrib, c. petiole, d. base | c | DQ_003327 | image | abc_question_images/parts_leaf_11090.png | parts_leaf_11090.png | 0.774254 |
DQ_003747 | What is the part that connects a leaf to a stem? | question_images/parts_leaf_3859.png | a. apex, b. midrib, c. petiole, d. base | c | DQ_003534 | image | question_images/parts_leaf_1090.png | parts_leaf_1090.png | 0.77324 |
DQ_003747 | What is the part that connects a leaf to a stem? | question_images/parts_leaf_3859.png | a. apex, b. midrib, c. petiole, d. base | c | T_3385 | text | null | Plants seem to grow wherever they can. How? Plants cant move on their own. So how does a plant start growing in a new area? | 0.653344 |
DQ_003747 | What is the part that connects a leaf to a stem? | question_images/parts_leaf_3859.png | a. apex, b. midrib, c. petiole, d. base | c | T_1598 | text | null | Plants and animals depend on water to live. They also play a role in the water cycle. Plants take up water from the soil and release large amounts of water vapor into the air through their leaves (Figure 1.3), a process known as transpiration. | 0.649649 |
DQ_003747 | What is the part that connects a leaf to a stem? | question_images/parts_leaf_3859.png | a. apex, b. midrib, c. petiole, d. base | c | T_3434 | text | null | Water also moves through the living organisms in an ecosystem. Plants soak up large amounts of water through their roots. The water then moves up the plant and evaporates from the leaves in a process called transpiration. The process of transpiration, like evaporation, returns water back into the atmosphere. | 0.644639 |
DQ_003747 | What is the part that connects a leaf to a stem? | question_images/parts_leaf_3859.png | a. apex, b. midrib, c. petiole, d. base | c | T_3234 | text | null | Your heart pumps blood around your body. But how does your heart get blood to and from every cell in your body? Your heart is connected to blood vessels such as veins and arteries. Organs that work together form an organ system. Together, your heart, blood, and blood vessels form your cardiovascular system. What other organ systems can you think of? | 0.635101 |
DQ_003747 | What is the part that connects a leaf to a stem? | question_images/parts_leaf_3859.png | a. apex, b. midrib, c. petiole, d. base | c | T_2956 | text | null | Scientists used to think that fungi were members of the plant kingdom. They thought this because fungi had several similarities to plants. For example: Fungi and plants have similar structures. Plants and fungi live in the same kinds of habitats, such as growing in soil. Plants and fungi cells both have a cell wall, which animals do not have. | 0.633798 |
DQ_003747 | What is the part that connects a leaf to a stem? | question_images/parts_leaf_3859.png | a. apex, b. midrib, c. petiole, d. base | c | T_1950 | text | null | The most basic division of modern plants is between nonvascular and vascular plants. Vascular plants are further divided into those that reproduce without seeds and those that reproduce with seeds. Seed plants, in turn, are divided into those that produce naked seeds in cones and those that produce seeds in the ovaries of flowers. | 0.624048 |
DQ_003747 | What is the part that connects a leaf to a stem? | question_images/parts_leaf_3859.png | a. apex, b. midrib, c. petiole, d. base | c | T_1312 | text | null | In photosynthesis, plants use CO2 and create O2 . Photosynthesis is responsible for nearly all of the oxygen currently found in the atmosphere. The chemical reaction for photosynthesis is: 6CO2 + 6H2 O + solar energy C6 H12 O6 (sugar) + 6O2 | 0.620145 |
DQ_003747 | What is the part that connects a leaf to a stem? | question_images/parts_leaf_3859.png | a. apex, b. midrib, c. petiole, d. base | c | T_1106 | text | null | Despite these problems, there is a rich fossil record. How does an organism become fossilized? | 0.616868 |
DQ_003747 | What is the part that connects a leaf to a stem? | question_images/parts_leaf_3859.png | a. apex, b. midrib, c. petiole, d. base | c | T_0638 | text | null | To understand minerals, we must first understand matter. Matter is the substance that physical objects are made of. | 0.608761 |
DQ_003747 | What is the part that connects a leaf to a stem? | question_images/parts_leaf_3859.png | a. apex, b. midrib, c. petiole, d. base | c | T_3941 | text | null | Why do different states of matter have different properties? Its because of differences in energy at the level of atoms and molecules, the tiny particles that make up matter. | 0.605506 |
DQ_003748 | What connects the midrib and the stem | question_images/parts_leaf_3859.png | a. stipule, b. apex, c. petiole, d. veins | c | DQ_003746 | image | question_images/parts_leaf_3859.png | parts_leaf_3859.png | 1 |
DQ_003748 | What connects the midrib and the stem | question_images/parts_leaf_3859.png | a. stipule, b. apex, c. petiole, d. veins | c | DQ_003529 | image | question_images/parts_leaf_1088.png | parts_leaf_1088.png | 0.928679 |
DQ_003748 | What connects the midrib and the stem | question_images/parts_leaf_3859.png | a. stipule, b. apex, c. petiole, d. veins | c | DQ_003806 | image | question_images/parts_leaf_6265.png | parts_leaf_6265.png | 0.836394 |
DQ_003748 | What connects the midrib and the stem | question_images/parts_leaf_3859.png | a. stipule, b. apex, c. petiole, d. veins | c | DQ_003573 | image | question_images/parts_leaf_1112.png | parts_leaf_1112.png | 0.822248 |
DQ_003748 | What connects the midrib and the stem | question_images/parts_leaf_3859.png | a. stipule, b. apex, c. petiole, d. veins | c | DD_0110 | image | teaching_images/parts_leaf_557.png | This diagram shows the parts of a leaf. The Blade is the broad flat part of the leaf. The Petiole is the stemlike part of the leaf that joins the blade to the stem. The Stipules are two small flaps that grow at the base of the petiole of some plants. A leaf has several veins. Veins carry food and water in a leaf. They also support the blade. The large central vein which extends from the base of the blade to its tip is called the Midrib. Smaller veins connect the midrib to other parts of the blade. | 0.8173 |
DQ_003748 | What connects the midrib and the stem | question_images/parts_leaf_3859.png | a. stipule, b. apex, c. petiole, d. veins | c | DQ_003635 | image | question_images/parts_leaf_1124.png | parts_leaf_1124.png | 0.786719 |
DQ_003748 | What connects the midrib and the stem | question_images/parts_leaf_3859.png | a. stipule, b. apex, c. petiole, d. veins | c | DQ_003728 | image | question_images/parts_leaf_3844.png | parts_leaf_3844.png | 0.778016 |
DQ_003748 | What connects the midrib and the stem | question_images/parts_leaf_3859.png | a. stipule, b. apex, c. petiole, d. veins | c | DQ_003716 | image | question_images/parts_leaf_3149.png | parts_leaf_3149.png | 0.775973 |
DQ_003748 | What connects the midrib and the stem | question_images/parts_leaf_3859.png | a. stipule, b. apex, c. petiole, d. veins | c | DQ_003327 | image | abc_question_images/parts_leaf_11090.png | parts_leaf_11090.png | 0.774254 |
DQ_003748 | What connects the midrib and the stem | question_images/parts_leaf_3859.png | a. stipule, b. apex, c. petiole, d. veins | c | DQ_003534 | image | question_images/parts_leaf_1090.png | parts_leaf_1090.png | 0.77324 |
DQ_003748 | What connects the midrib and the stem | question_images/parts_leaf_3859.png | a. stipule, b. apex, c. petiole, d. veins | c | T_2380 | text | null | Symbiosis is a close relationship between two species in which at least one species benefits. For the other species, the relationship may be beneficial, harmful, or neutral. There are three types of symbiosis: mutualism, parasitism, and commensalism. | 0.404439 |
DQ_003748 | What connects the midrib and the stem | question_images/parts_leaf_3859.png | a. stipule, b. apex, c. petiole, d. veins | c | T_3234 | text | null | Your heart pumps blood around your body. But how does your heart get blood to and from every cell in your body? Your heart is connected to blood vessels such as veins and arteries. Organs that work together form an organ system. Together, your heart, blood, and blood vessels form your cardiovascular system. What other organ systems can you think of? | 0.402316 |
DQ_003748 | What connects the midrib and the stem | question_images/parts_leaf_3859.png | a. stipule, b. apex, c. petiole, d. veins | c | T_2023 | text | null | Chordates have three embryonic cell layers: endoderm, mesoderm, and ectoderm. They also have a segmented body with a complete coelom and bilateral symmetry. In addition, chordates have a complete digestive system, central nervous system, and circulatory system. | 0.398643 |
DQ_003748 | What connects the midrib and the stem | question_images/parts_leaf_3859.png | a. stipule, b. apex, c. petiole, d. veins | c | T_2268 | text | null | The sensory division of the peripheral nervous system carries messages from sense organs and internal organs to the central nervous system. For example, it carries messages about images from the eyes to the brain. Once the messages reach the brain, the brain interprets the information. | 0.394172 |
DQ_003748 | What connects the midrib and the stem | question_images/parts_leaf_3859.png | a. stipule, b. apex, c. petiole, d. veins | c | T_2270 | text | null | Nervous system problems include diseases and injuries. Most nervous system diseases cant be prevented. But you can take steps to decrease your risk of nervous system injuries. | 0.393498 |
DQ_003748 | What connects the midrib and the stem | question_images/parts_leaf_3859.png | a. stipule, b. apex, c. petiole, d. veins | c | T_2262 | text | null | The nervous system has two main parts, called the central nervous system and the peripheral nervous system. The peripheral nervous system is described later in this lesson. The central nervous system is shown in Figure 20.4. It includes the brain and spinal cord. | 0.387811 |
DQ_003748 | What connects the midrib and the stem | question_images/parts_leaf_3859.png | a. stipule, b. apex, c. petiole, d. veins | c | T_2385 | text | null | Two important concepts associated with the ecosystem are niche and habitat. | 0.387568 |
DQ_003748 | What connects the midrib and the stem | question_images/parts_leaf_3859.png | a. stipule, b. apex, c. petiole, d. veins | c | T_3211 | text | null | Many disorders of the reproductive system are not sexually transmitted infections. They are not caused by pathogens, so they dont spread from person to person. They develop for other reasons. The disorders are different between males and females. In both genders, the disorders could cause a little discomfort, or they could cause death. | 0.385541 |
DQ_003748 | What connects the midrib and the stem | question_images/parts_leaf_3859.png | a. stipule, b. apex, c. petiole, d. veins | c | T_3409 | text | null | Even though two different species may not look similar, they may have similar internal structures that suggest they have a common ancestor. That means both evolved from the same ancestor organism a long time ago. Common ancestry can also be determined by looking at the structure of the organism as it first develops. | 0.385124 |
DQ_003748 | What connects the midrib and the stem | question_images/parts_leaf_3859.png | a. stipule, b. apex, c. petiole, d. veins | c | T_4202 | text | null | Carbon is a very common ingredient of matter because it can combine with itself and with many other elements. It can form a great diversity of compounds, ranging in size from just a few atoms to thousands of atoms. There are millions of known carbon compounds, and carbon is the only element that can form so many different compounds. | 0.384845 |
DQ_003749 | Which is not part of the blade of the leaf? | question_images/parts_leaf_3859.png | a. Margin, b. Midrib, c. Apex, d. Petiole | d | DQ_003746 | image | question_images/parts_leaf_3859.png | parts_leaf_3859.png | 1 |
DQ_003749 | Which is not part of the blade of the leaf? | question_images/parts_leaf_3859.png | a. Margin, b. Midrib, c. Apex, d. Petiole | d | DQ_003529 | image | question_images/parts_leaf_1088.png | parts_leaf_1088.png | 0.928679 |
DQ_003749 | Which is not part of the blade of the leaf? | question_images/parts_leaf_3859.png | a. Margin, b. Midrib, c. Apex, d. Petiole | d | DQ_003806 | image | question_images/parts_leaf_6265.png | parts_leaf_6265.png | 0.836394 |
DQ_003749 | Which is not part of the blade of the leaf? | question_images/parts_leaf_3859.png | a. Margin, b. Midrib, c. Apex, d. Petiole | d | DQ_003573 | image | question_images/parts_leaf_1112.png | parts_leaf_1112.png | 0.822248 |
DQ_003749 | Which is not part of the blade of the leaf? | question_images/parts_leaf_3859.png | a. Margin, b. Midrib, c. Apex, d. Petiole | d | DD_0110 | image | teaching_images/parts_leaf_557.png | This diagram shows the parts of a leaf. The Blade is the broad flat part of the leaf. The Petiole is the stemlike part of the leaf that joins the blade to the stem. The Stipules are two small flaps that grow at the base of the petiole of some plants. A leaf has several veins. Veins carry food and water in a leaf. They also support the blade. The large central vein which extends from the base of the blade to its tip is called the Midrib. Smaller veins connect the midrib to other parts of the blade. | 0.8173 |
DQ_003749 | Which is not part of the blade of the leaf? | question_images/parts_leaf_3859.png | a. Margin, b. Midrib, c. Apex, d. Petiole | d | DQ_003635 | image | question_images/parts_leaf_1124.png | parts_leaf_1124.png | 0.786719 |
DQ_003749 | Which is not part of the blade of the leaf? | question_images/parts_leaf_3859.png | a. Margin, b. Midrib, c. Apex, d. Petiole | d | DQ_003728 | image | question_images/parts_leaf_3844.png | parts_leaf_3844.png | 0.778016 |
DQ_003749 | Which is not part of the blade of the leaf? | question_images/parts_leaf_3859.png | a. Margin, b. Midrib, c. Apex, d. Petiole | d | DQ_003716 | image | question_images/parts_leaf_3149.png | parts_leaf_3149.png | 0.775973 |
DQ_003749 | Which is not part of the blade of the leaf? | question_images/parts_leaf_3859.png | a. Margin, b. Midrib, c. Apex, d. Petiole | d | DQ_003327 | image | abc_question_images/parts_leaf_11090.png | parts_leaf_11090.png | 0.774254 |
DQ_003749 | Which is not part of the blade of the leaf? | question_images/parts_leaf_3859.png | a. Margin, b. Midrib, c. Apex, d. Petiole | d | DQ_003534 | image | question_images/parts_leaf_1090.png | parts_leaf_1090.png | 0.77324 |
DQ_003749 | Which is not part of the blade of the leaf? | question_images/parts_leaf_3859.png | a. Margin, b. Midrib, c. Apex, d. Petiole | d | T_3385 | text | null | Plants seem to grow wherever they can. How? Plants cant move on their own. So how does a plant start growing in a new area? | 0.528469 |
DQ_003749 | Which is not part of the blade of the leaf? | question_images/parts_leaf_3859.png | a. Margin, b. Midrib, c. Apex, d. Petiole | d | T_1950 | text | null | The most basic division of modern plants is between nonvascular and vascular plants. Vascular plants are further divided into those that reproduce without seeds and those that reproduce with seeds. Seed plants, in turn, are divided into those that produce naked seeds in cones and those that produce seeds in the ovaries of flowers. | 0.497761 |
DQ_003749 | Which is not part of the blade of the leaf? | question_images/parts_leaf_3859.png | a. Margin, b. Midrib, c. Apex, d. Petiole | d | T_1598 | text | null | Plants and animals depend on water to live. They also play a role in the water cycle. Plants take up water from the soil and release large amounts of water vapor into the air through their leaves (Figure 1.3), a process known as transpiration. | 0.494786 |
DQ_003749 | Which is not part of the blade of the leaf? | question_images/parts_leaf_3859.png | a. Margin, b. Midrib, c. Apex, d. Petiole | d | T_1698 | text | null | How well soil forms and what type of soil forms depends on several different factors, which are described below. | 0.489567 |
DQ_003749 | Which is not part of the blade of the leaf? | question_images/parts_leaf_3859.png | a. Margin, b. Midrib, c. Apex, d. Petiole | d | T_2971 | text | null | Gymnosperms have seeds, but they do not produce fruit. Instead, the seeds of gymnosperms are usually found in cones. There are four phyla of gymnosperms: 1. Conifers 2. Cycads 3. Ginkgoes 4. Gnetophytes | 0.484366 |
DQ_003749 | Which is not part of the blade of the leaf? | question_images/parts_leaf_3859.png | a. Margin, b. Midrib, c. Apex, d. Petiole | d | T_1805 | text | null | Some fossils form when their remains are compressed by high pressure, leaving behind a dark imprint. Compression is most common for fossils of leaves and ferns, but can occur with other organisms. Click image to the left or use the URL below. URL: Click image to the left or use the URL below. URL: | 0.482785 |
DQ_003749 | Which is not part of the blade of the leaf? | question_images/parts_leaf_3859.png | a. Margin, b. Midrib, c. Apex, d. Petiole | d | T_1947 | text | null | Some seed plants evolved another major adaptation. This was the formation of seeds in flowers. Flowers are plant structures that contain male and/or female reproductive organs. | 0.479406 |
DQ_003749 | Which is not part of the blade of the leaf? | question_images/parts_leaf_3859.png | a. Margin, b. Midrib, c. Apex, d. Petiole | d | T_3065 | text | null | Many insects are considered to be pests by humans. However, insects are also very important for numerous reasons. | 0.477563 |
DQ_003749 | Which is not part of the blade of the leaf? | question_images/parts_leaf_3859.png | a. Margin, b. Midrib, c. Apex, d. Petiole | d | T_2956 | text | null | Scientists used to think that fungi were members of the plant kingdom. They thought this because fungi had several similarities to plants. For example: Fungi and plants have similar structures. Plants and fungi live in the same kinds of habitats, such as growing in soil. Plants and fungi cells both have a cell wall, which animals do not have. | 0.477481 |
DQ_003749 | Which is not part of the blade of the leaf? | question_images/parts_leaf_3859.png | a. Margin, b. Midrib, c. Apex, d. Petiole | d | T_3434 | text | null | Water also moves through the living organisms in an ecosystem. Plants soak up large amounts of water through their roots. The water then moves up the plant and evaporates from the leaves in a process called transpiration. The process of transpiration, like evaporation, returns water back into the atmosphere. | 0.471135 |
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