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L_0398 | the nervous system | T_2264 | FIGURE 20.5 Three major parts of the brain | image | textbook_images/the_nervous_system_21471.png |
L_0398 | the nervous system | T_2265 | FIGURE 20.6 The four lobes of the left hemisphere are color coded in this illustration. | image | textbook_images/the_nervous_system_21472.png |
L_0398 | the nervous system | T_2268 | FIGURE 20.7 The central nervous system interprets messages from sense organs and inter- nal organs and the motor division sends messages to internal organs, glands, and muscles. | image | textbook_images/the_nervous_system_21473.png |
L_0398 | the nervous system | T_2271 | FIGURE 20.8 Children as young as 2 years of age can be vaccinated against viral meningitis. | image | textbook_images/the_nervous_system_21474.png |
L_0398 | the nervous system | T_2275 | FIGURE 20.9 Wearing the right type of helmet can re- duce the risk of a brain injury when riding a bike. | image | textbook_images/the_nervous_system_21475.png |
L_0398 | the nervous system | DD_0152 | This diagram depicts the parts of a neuron. A neuron is a basic building block of the nervous system that is responsible for receiving and transmitting information. Dendrites are treelike extensions at the beginning of a neuron that help increase the surface area of the cell body. The cell body is where the signals from the dendrites are joined and passed on. The nucleus is present within the cell body. It produces RNA that supports important cell functions. The axon is the elongated fiber that connects the cell body to the axon endings and transmits the neural signal. The axon is often covered with a fatty substance called the myelin sheath that acts as an insulator. | image | teaching_images/parts_neuron_7232.png |
L_0398 | the nervous system | DD_0153 | The diagram below shows the human nervous system. The nervous system conducts stimuli from sensory receptors to the brain and spinal cord and that conducts impulses back to other parts of the body. As with other higher vertebrates, the human nervous system has two main parts: the central nervous system (the brain and spinal cord) and the peripheral nervous system (the nerves that carry impulses to and from the central nervous system). The nervous system consists of the brain, spinal cord, sensory organs, and all of the nerves that connect these organs with the rest of the body. Together, these organs are responsible for the control of the body and communication among its parts. The brain and spinal cord form the control center known as the central nervous system. | image | teaching_images/human_system_nervous_6184.png |
L_0398 | the nervous system | DD_0154 | This diagram shows the structure of a cell. It has the cell body, dived into the dendrite, nucleus, and also the axon. Other parts of the cell are the myelin sheath, node of Ranvier and lastly the synaptic know | image | teaching_images/parts_neuron_7206.png |
L_0398 | the nervous system | DD_0155 | This is a diagram of the anatomy of a brain. The brain is made up of several parts, as you can see in the picture. The brain has four lobes. The frontal lobe is used for the basic purpose of reasoning. The parietal lobe is used for the sense, touch. The temporal lobe is used for hearing. The occipital lobe is used for sight. The cerebellum is the next largest part of the brain. It controls body position, coordination, and balance. | image | teaching_images/human_system_nervous_6178.png |
L_0398 | the nervous system | DD_0156 | The diagram shows the anatomy of a multipolar neutron. A multipolar neuron (or multipolar neurone) is a type of neuron that possesses a single (usually long) axon and many dendrites, allowing for the integration of a great deal of information from other neurons. These dendritic branches can also emerge from the nerve cell body. Multipolar neurons constitute the majority of neurons in the brain and include motor neurons and interneurons. It is found majorly in the cerebral cortex. The nerve endings of an axon don't actually touch the dendrites of other neurons. The messages must cross a tiny gap between the two neurons, called the synapse. There are two types of synaptic cells: presynaptic and postsynaptic. The presynaptic cell is the neuron sending the signal. The postsynaptic cell is the structure receiving the signal. | image | teaching_images/parts_neuron_7230.png |
L_0398 | the nervous system | DD_0157 | The diagram shows the various parts of the human brain. The three main parts of the brain are the cerebrum, cerebellum and medula.The cerebrum is divided down the middle from the front to the back of the head. The two halves of the cerebrum are called the right and left hemispheres. Each hemisphere is further subdivided into lobes which are shown in this diagram. The lobes shown are frontal lobe, parietal lobe, temporal lobe and occipital lobe. The cerebrum is the largest part of the brain, the next largest part is the cerebellum.The spinal cord is a long, tube-shaped bundle of neurons. Cererbum ontrols conscious functions, such as thinking, sensing, speaking, and voluntary muscle movements. Cerebellum contols body position, coordination, and balance. The main function of the spinal cord is to carry nerve impulses back and forth between the body and brain. | image | teaching_images/human_system_nervous_2864.png |
L_0399 | the senses | T_2279 | FIGURE 20.10 You have to keep your eyes on the ball to hit a volleyball. | image | textbook_images/the_senses_21476.png |
L_0399 | the senses | T_2280 | FIGURE 20.11 3-D glasses make movies look three-dimensional. | image | textbook_images/the_senses_21477.png |
L_0399 | the senses | T_2281 | FIGURE 20.12 Parts of the eye | image | textbook_images/the_senses_21478.png |
L_0399 | the senses | T_2282 | FIGURE 20.13 How eye shape affects vision | image | textbook_images/the_senses_21479.png |
L_0399 | the senses | T_2283 | FIGURE 20.14 This outdoor fruit market stimulates all the senses sight, sound, smell, taste, and touch. | image | textbook_images/the_senses_21480.png |
L_0399 | the senses | T_2284 | FIGURE 20.15 How the ears sense sounds | image | textbook_images/the_senses_21481.png |
L_0399 | the senses | T_2286 | FIGURE 20.16 The tiny red bumps on this tongue are taste buds. | image | textbook_images/the_senses_21482.png |
L_0399 | the senses | DD_0158 | Below is a diagram of the ear. The ear is made up of several parts, as shown in the diagram. Sound waves travel through the ear. Sound waves enter the auditory canal. Then they travel to the ear drum where it sends the vibrations from the sound waves to the inner ear. The sound waves then liquify and go into the cochlea. They then travel through the ear nerves, and is sent to the brain. | image | teaching_images/human_system_ear_2866.png |
L_0399 | the senses | DD_0159 | This diagram shows the anatomy of the human ear. The human ear is divided into the outer ear which contains the auricle and the earlobe. The outer ear is followed by the middle ear that contains eardrum and tympanic cavity and the ossicles. Lastly, the inner ear followd the middle ear and it contains the semicircular canals, vestibule, cochlea portions. The auditory cacncal connects the outer ear to the middle ear. The eardrum and the tympanic cavity are are at the end of the auditory canal.The vestibular nerve, semicircular ducts and cochlea are after the tympanic cavity. Ossicles are tiny bones in the middle ear that transmit sound from the eardrum to the cochlea. Sound waves travel through the outer ear, are modulated by the middle ear, and are transmitted to the inner ear. | image | teaching_images/human_system_ear_6103.png |
L_0400 | the endocrine system | T_2288 | FIGURE 20.17 Endocrine system glands | image | textbook_images/the_endocrine_system_21483.png |
L_0400 | the endocrine system | T_2294 | FIGURE 20.18 The thyroid gland is controlled by a negative feedback loop that includes the hypothalamus and pituitary gland. | image | textbook_images/the_endocrine_system_21484.png |
L_0401 | infectious diseases | T_2297 | FIGURE 21.1 Types of pathogens that cause human diseases | image | textbook_images/infectious_diseases_21485.png |
L_0401 | infectious diseases | T_2298 | FIGURE 21.2 Sneezing sends thousands of tiny droplets into the air unless the mouth and nose are covered. Each droplet may carry thousands of bacteria or viruses. | image | textbook_images/infectious_diseases_21486.png |
L_0401 | infectious diseases | T_2299 | FIGURE 21.3 The proper way to wash your hands | image | textbook_images/infectious_diseases_21487.png |
L_0402 | noninfectious diseases | T_2300 | FIGURE 21.4 In panel A, an abnormal cell (2) is prevented from dividing, and the abnormal cell dies (1). In panel B, an abnormal cell is not prevented from dividing. Instead, it divides uncontrollably, leading to the formation of a tumor. | image | textbook_images/noninfectious_diseases_21488.png |
L_0402 | noninfectious diseases | T_2301 | FIGURE 21.5 Chemicals in cigarettes | image | textbook_images/noninfectious_diseases_21489.png |
L_0402 | noninfectious diseases | T_2304 | FIGURE 21.6 This young woman is applying sunscreen to reduce her exposure to cancer-causing UV radiation. | image | textbook_images/noninfectious_diseases_21490.png |
L_0402 | noninfectious diseases | T_2308 | FIGURE 21.7 An insulin pump monitors blood glucose levels and injects the needed amount of insulin to keep glucose levels within the normal range. | image | textbook_images/noninfectious_diseases_21491.png |
L_0402 | noninfectious diseases | T_2310 | FIGURE 21.8 Pollen from ragweed blossoms like these cause allergic reactions in many people. | image | textbook_images/noninfectious_diseases_21492.png |
L_0405 | male reproductive system | T_2328 | FIGURE 22.1 Male reproductive system as viewed from the side The epididymis is a tube that is about 6 meters (20 feet) long in adults. It is tightly coiled, so it fits inside the scrotum on top of the testes. The epididymis is where sperm mature. It stores the sperm until they leave the body. The vas deferens is a tube that carries sperm from the epididymis to the urethra. The prostate gland secretes a fluid that mixes with sperm to help form semen. Semen is a whitish liquid that contains sperm. It passes through the urethra and out of the body. | image | textbook_images/male_reproductive_system_21502.png |
L_0405 | male reproductive system | T_2330 | FIGURE 22.2 Structure of sperm | image | textbook_images/male_reproductive_system_21503.png |
L_0405 | male reproductive system | DD_0164 | This image shows the posterior view of female reproductive system. The female reproductive system (or female genital system) is made up of the internal and external sex organs that function in human reproduction. The female reproductive system is immature at birth and develops to maturity at puberty to be able to produce gametes, and to carry a fetus to full term. The internal sex organs are the uterus and Fallopian tubes, and the ovaries. The uterus or womb accommodates the embryo which develops into the fetus. The uterus also produces vaginal and uterine secretions which help the transit of sperm to the Fallopian tubes. The ovaries produce the ova (egg cells). The external sex organs are also known as the genitals and these are the organs of the vulva including the labia, clitoris and vaginal opening. The vagina is connected to the uterus at the cervix. | image | teaching_images/human_system_reproductory_7014.png |
L_0405 | male reproductive system | DD_0165 | The diagram shows the parts and organs of the male reproductive system. The male reproductive organs include the penis, testes, epididymis, Ductus (vas) deferens, and prostate gland. The penis is an external, cylinder-shaped organ that contains the urethra. The urethra is the tube that carries urine out of the body. It also carries sperm out of the body. The testis (testis, singular) are oval organs that produce sperm and secrete testosterone. They are located inside a sac called the scrotum that hangs down outside the body. The scrotum also contains the epididymis. The epididymis is a tube that is about 6 meters (20 feet) long in adults. It is tightly coiled, so it fits inside the scrotum on top of the testes. The epididymis is where sperm mature. It stores the sperm until they leave the body. The vas deferens is a tube that carries sperm from the epididymis to the urethra. The prostate gland secretes a fluid that mixes with sperm to help form semen. Semen is a whitish liquid that contains sperm. It passes through the urethra and out of the body. Also shown are some parts of the digestive system like the rectum and anus. | image | teaching_images/human_system_reproductory_7036.png |
L_0405 | male reproductive system | DD_0166 | The diagram below shows the female reproductive system. The female reproductive system is made up of the internal and external sex organs that function in human reproduction. The internal sex organs are the uterus and Fallopian tubes, and the ovaries. The uterus or womb accommodates the embryo which develops into the fetus. The uterus also produces vaginal and uterine secretions which help the transit of sperm to the Fallopian tubes. The ovaries produce the ova (egg cells). The external sex organs are also known as the genitals and these are the organs of the vulva including the labia, clitoris and vaginal opening. The vagina is connected to the uterus at the cervix. The uterus or womb is the major female reproductive organ. | image | teaching_images/human_system_reproductory_7039.png |
L_0406 | female reproductive system | T_2333 | FIGURE 22.3 Female reproductive system as viewed from the side fallopian tube. During birth, a baby passes from the uterus through the vagina to leave the body. | image | textbook_images/female_reproductive_system_21504.png |
L_0406 | female reproductive system | T_2337 | FIGURE 22.4 How an egg and its follicle develop in an ovary: (1) undeveloped eggs; (2) and (3) egg and follicle developing; (4) ovulation; (5) and (6) follicle (now called corpus lu- teum) breaking down | image | textbook_images/female_reproductive_system_21505.png |
L_0407 | reproduction and life stages | T_2339 | FIGURE 22.5 Blastocyst stage | image | textbook_images/reproduction_and_life_stages_21506.png |
L_0407 | reproduction and life stages | T_2341 | FIGURE 22.6 Embryonic Development (Weeks 48). Most organs develop in the embryo during weeks 4 through 8. If the embryo is exposed to toxins during this period, the effects are likely to be very damaging. Can you explain why? (Note: the draw- ings of the embryos are not to scale.) | image | textbook_images/reproduction_and_life_stages_21507.png |
L_0407 | reproduction and life stages | T_2343 | FIGURE 22.7 Developments in the fetus | image | textbook_images/reproduction_and_life_stages_21508.png |
L_0407 | reproduction and life stages | T_2345 | FIGURE 22.8 Placenta and umbilical cord | image | textbook_images/reproduction_and_life_stages_21509.png |
L_0407 | reproduction and life stages | T_2347 | FIGURE 22.9 A pregnant woman needs to pay special attention to her diet and eat a variety of healthy foods. | image | textbook_images/reproduction_and_life_stages_21510.png |
L_0407 | reproduction and life stages | T_2348 | FIGURE 22.10 Smiling is an early milestone in infant development. | image | textbook_images/reproduction_and_life_stages_21511.png |
L_0407 | reproduction and life stages | T_2350 | FIGURE 22.11 Learning how to write is a major accom- plishment of childhood. | image | textbook_images/reproduction_and_life_stages_21512.png |
L_0407 | reproduction and life stages | T_2351 | FIGURE 22.12 A teenage boy develops a bump in his throat called an Adams apple because of an increase in the size of the larynx, or voice box. | image | textbook_images/reproduction_and_life_stages_21513.png |
L_0407 | reproduction and life stages | T_2351 | FIGURE 22.13 Teen friends enjoying card games and each others company | image | textbook_images/reproduction_and_life_stages_21514.png |
L_0407 | reproduction and life stages | T_2355 | FIGURE 22.14 This elderly man not only plays the guitar. He built the guitar that hes playing in the photo. to be one of them? If so, adopt a healthy lifestyle now and follow it for life. Doing so will increase your chances of staying fit and active in old age. | image | textbook_images/reproduction_and_life_stages_21515.png |
L_0407 | reproduction and life stages | DD_0167 | This diagram shows a blastocyst, which is a small, fluid-filled ball of cells that travels through the fallopian tube until it implants on the wall of the uterus and continues to develop as an embryo. The blastocyst is composed of an outer, circular layer and an internal mass. The outside is known as the trophoblast and looks like a single layer of cells. It will eventually develop into structures that support the developing fetus. The internal mass is called the inner cell mass, also known as the embryoblast. It will eventually develop into a fetus. | image | teaching_images/blastocyst_9028.png |
L_0407 | reproduction and life stages | DD_0168 | This diagram shows the six stages of development of a human embryo, in two rows that are arranged left to right. The first stage, at the top left, is a fertilized egg, which is a single cell. After fertilization, the egg undergoes mitosis, which replicates the cells so that the embryo can grow. The 2-, 4-, 8-, and 16-cell stages each show a progressively larger number of cells, seemingly arranged at random. The final stage is the blastocyst, where the cells appear to form a ball. After this, the embryo will implant on the wall of the uterus and be known as a fetus. | image | teaching_images/blastocyst_9024.png |
L_0407 | reproduction and life stages | DD_0169 | This diagram shows the blastocyst stage in the process of fertilization. The blastocyst has an inner and outer layer of cells. The inner layer is called the embryoblast, will develop into the new human being. The outer layer is called the trophoblast, will develop into other structures needed to support the new organism. This layer surrounds the inner cell mass or the embryoblast and a fluid-filled cavity known as the blastocoele. When the outer cells of the blastocyst embeds itself in the uterine lining or the endometrium. This process is called implantation. It generally occurs about a week after fertilization. | image | teaching_images/blastocyst_9033.png |
L_0408 | reproductive system health | T_2359 | FIGURE 22.15 HPV, the virus that causes genital warts, may also cause cancer. | image | textbook_images/reproductive_system_health_21516.png |
L_0409 | what is ecology | T_2364 | FIGURE 23.1 Organisms show tremendous diversity. Some of the smallest and largest living or- ganisms are pictured here: billions of mi- croorganisms that thrive in this hot spring give it its striking colors (left); blue whales are the largest living organisms (right). Organisms depend on their environment to meet their needs, so they are greatly influenced by it. There are many factors in the environment that affect organisms. The factors can be classified as either biotic or abiotic. | image | textbook_images/what_is_ecology_21518.png |
L_0409 | what is ecology | T_2365 | FIGURE 23.2 From individuals to the biosphere, ecol- ogy can be studied at several different levels. An ecosystem consists of all the biotic and abiotic factors in an area. It includes a community, the abiotic factors in the environment, and all their interactions. A biome is a group of similar ecosystems with the same general abiotic factors and primary producers. Biomes may be terrestrial (land-based) or aquatic (water-based). The biosphere consists of all the parts of Earth where life can be found. This is the highest level of organization in ecology. It includes all of the other levels below it. The biosphere consists of all the worlds biomes, both terrestrial and aquatic. | image | textbook_images/what_is_ecology_21519.png |
L_0410 | populations | T_2367 | FIGURE 23.3 Patterns of population distribution include clumped, random, and uniform distribu- tions. Each pattern is associated with dif- ferent types of species or environments. | image | textbook_images/populations_21520.png |
L_0410 | populations | T_2368 | FIGURE 23.4 Curve A represents exponential popula- tion growth. Curve B represents logistic population growth. | image | textbook_images/populations_21521.png |
L_0410 | populations | T_2370 | FIGURE 23.5 A population pyramid shows the age-sex structure of a population. This population pyramid represents the human population of the African country of Angola in 2005. | image | textbook_images/populations_21522.png |
L_0410 | populations | T_2370 | FIGURE 23.6 Growth of the Human Population. | image | textbook_images/populations_21523.png |
L_0410 | populations | T_2372 | FIGURE 23.7 The demographic transition occurred in the stages shown in this graph. | image | textbook_images/populations_21524.png |
L_0413 | biomes | T_2389 | FIGURE 23.18 Major terrestrial biomes | image | textbook_images/biomes_21535.png |
L_0413 | biomes | T_2391 | FIGURE 23.19 Terrestrial biomes include tropical rainfor- est, temperate grassland, and tundra. | image | textbook_images/biomes_21536.png |
L_0413 | biomes | T_2395 | FIGURE 23.20 Plants and algae are producers in the littoral zone along the shore of this lake in Iceland. | image | textbook_images/biomes_21537.png |
L_0413 | biomes | T_2396 | FIGURE 23.21 Intertidal zone along the North Sea in the Netherlands Below 200 meters is the aphotic zone. There are no primary producers here because there isnt enough sunlight for photosynthesis. However, the water may be rich in nutrients because of dead organisms drifting down from above. Organisms that live here may include bacteria, sponges, sea anemones, worms, sea stars, and fish. The bottom of the ocean is called the benthic zone. It includes the sediments on the bottom of the ocean and the water just above it. Organisms living in this zone include clams and crabs. They may be few in number due to relatively scarce nutrients in this zone. There are many more organisms around deep-sea vents. Microorganisms use chemicals that pour out of the vents to make food by chemosynthesis. These producers support large numbers of other organisms, including crustaceans and red tubeworms like those pictured in Figure 23.22. | image | textbook_images/biomes_21538.png |
L_0413 | biomes | T_2396 | FIGURE 23.22 Ocean vent biome | image | textbook_images/biomes_21539.png |
L_0415 | cycles of matter | T_2408 | FIGURE 24.7 The water cycle has no beginning or end. It just keeps repeating. | image | textbook_images/cycles_of_matter_21546.png |
L_0415 | cycles of matter | T_2410 | FIGURE 24.8 The thorny devil lizard lives in such a dry environment in Australia that it has a unique specialization for obtaining water. The scales on its body collect dew and channel it to the corners of the mouth, so the lizard can drink it. | image | textbook_images/cycles_of_matter_21547.png |
L_0415 | cycles of matter | T_2412 | FIGURE 24.9 The Carbon Cycle. | image | textbook_images/cycles_of_matter_21548.png |
L_0415 | cycles of matter | T_2415 | FIGURE 24.10 The nitrogen cycle | image | textbook_images/cycles_of_matter_21549.png |
L_0415 | cycles of matter | DD_0175 | This diagram depicts the water cycle, which is an important part of the ecosystem. The water in the water cycle exists in three different phases, liquid, solid (ice) and gas (water vapor). Water from lakes and oceans evaporates and is carried by rising air currents in the atmosphere. In the atmosphere the water vapor condenses and forms tiny droplets of water that form clouds. When the droplets get big enough the water comes back to earth in the form of precipitation. Precipitation can be in the form of rain, snow, sleet, or hail. Eventually the water evaporates again and the cycle starts over. Water can also enter the atmosphere through trees and plants from a process called transpiration. | image | teaching_images/cycle_water_1490.png |
L_0415 | cycles of matter | DD_0176 | This diagram shows the processes of the water cycle. It takes place on, above, and below Earths surface. During the water cycle, water occurs in three different states: gas (water vapor), liquid (water), and solid (ice). Many processes are involved as water changes state to move through the cycle. One of the processes is called Evaporation. It takes place when water on Earths surface changes to water vapor. The sun heats the water and turns it into water vapor which escapes up into the atmosphere. Most evaporation occurs from the surface of the ocean. Sublimation is another process takes place when snow and ice on Earths surface change directly to water vapor without first melting to form liquid water. This also happens because of heat from the sun. Transpiration is yet another process that takes place when plants release water vapor through pores in their leaves called stomata. As the water vapor rises up into the earth's atmosphere, it cools and condenses. Condensation is the process of converting water vapor into water droplets.If the droplets get big enough, they fall as precipitation. Precipitation is any form of water that falls from the atmosphere. Precipitation that falls on land may flow over the surface of the ground. This water is called runoff.The runoff may reach a water body such as an ocean or get soaked into the ground. | image | teaching_images/cycle_water_1503.png |
L_0415 | cycles of matter | DD_0177 | This diagram shows the water cycle. Water from lakes, streams, rivers, and other bodies of water evaporates and turns into clouds. This leads to condensation which leads to precipitation in the form of rain and snow. Some of the precipitation adds to the bodies of water and some goes into the ground. The water that goes into the ground is called ground water--some of it eventually makes its way to bodies of water. Water also can come down from mountains and end up in bodies of water--this is called runoff. | image | teaching_images/cycle_water_4953.png |
L_0417 | air pollution | T_2423 | FIGURE 25.1 This stone statue has been dissolved by acid rain. | image | textbook_images/air_pollution_21553.png |
L_0417 | air pollution | T_2424 | FIGURE 25.2 Earths atmosphere creates a natural greenhouse effect that moderates Earths temperature. | image | textbook_images/air_pollution_21554.png |
L_0417 | air pollution | T_2424 | FIGURE 25.3 Shrinking of the Arctic ice cap due to global warming contributes to rising sea levels. | image | textbook_images/air_pollution_21555.png |
L_0417 | air pollution | T_2427 | FIGURE 25.4 Carbon monoxide alarm | image | textbook_images/air_pollution_21556.png |
L_0418 | water pollution | T_2429 | FIGURE 25.5 Algal bloom | image | textbook_images/water_pollution_21557.png |
L_0418 | water pollution | T_2430 | FIGURE 25.6 Hypoxic dead zone in the Gulf of Mexico | image | textbook_images/water_pollution_21558.png |
L_0418 | water pollution | T_2435 | FIGURE 25.7 Plastic debris in the ocean washes up on shore in the Hawaiian Islands | image | textbook_images/water_pollution_21559.png |
L_0419 | natural resources | T_2438 | FIGURE 25.8 This photo shows a huge coal field in the Philippines as it appears from space. Coal is a fossil fuel and a nonrenewable natural resource. | image | textbook_images/natural_resources_21560.png |
L_0419 | natural resources | T_2439 | FIGURE 25.9 Bare soil is easily washed away by heavy rains or winds, but it takes millions of years to replace. Ruts in soil washed away by runoff are evident in this photo. | image | textbook_images/natural_resources_21561.png |
L_0419 | natural resources | T_2441 | FIGURE 25.10 Worldwide energy use in 2010 | image | textbook_images/natural_resources_21562.png |
L_0419 | natural resources | T_2442 | FIGURE 25.11 Sunlight, wind, and living things can all be used as energy resources. | image | textbook_images/natural_resources_21563.png |
L_0419 | natural resources | T_2444 | FIGURE 25.12 If you use air conditioning in hot weather, set the thermostat above normal room temperature to save energy resources. | image | textbook_images/natural_resources_21564.png |
L_0419 | natural resources | T_2446 | FIGURE 25.13 Kitchen and garden wastes can be recycled by composting them. | image | textbook_images/natural_resources_21565.png |
L_0424 | photosynthesis | T_2494 | FIGURE 4.7 Photosynthetic organisms include plants, algae, and some bacteria. | image | textbook_images/photosynthesis_21589.png |
L_0424 | photosynthesis | T_2495 | FIGURE 4.8 The small green, circular structures in the plant cells pictured here are chloroplasts. | image | textbook_images/photosynthesis_21590.png |
L_0424 | photosynthesis | T_2498 | FIGURE 4.9 Chloroplast | image | textbook_images/photosynthesis_21591.png |
L_0424 | photosynthesis | DD_0183 | This diagram depicts photosynthesis. Photosynthesis is the process in which plants synthesize glucose. The process uses carbon dioxide and water and also produces oxygen. The plant gets energy from sunlight using a green pigment called chlorophyll. Photosynthesis changes light energy to chemical energy. The chemical energy is stored in the bonds of glucose molecules. Glucose is used for energy by the cells of almost all living things. Plants make their own glucose. | image | teaching_images/photosynthesis_1262.png |
L_0424 | photosynthesis | DD_0184 | This diagram shows the process of photosynthesis, the process of how plants convert sunlight into energy. The plant uses sunlight and water to make glucose and creates oxygen as a waste product. Chemical energy is stored in the bonds of glucose molecules. | image | teaching_images/photosynthesis_4103.png |
L_0424 | photosynthesis | DD_0185 | This diagram represents photosynthesis. Photosynthesis the process in which plants synthesizes glucose. During photosynthesis, it gets its energy from the sun (light energy.) Photosynthesis changes light energy (the energy the plant receives from the sun) to chemical energy. This process uses carbon dioxide and water. In return, it produces oxygen and carbohydrates. It does this by the energy it receives from the sun. The equation for photosynthesis is 6CO2 + 6H2 O + Light Energy C6 H12 O6 + 6O2. | image | teaching_images/photosynthesis_4126.png |
L_0425 | cellular respiration | T_2501 | FIGURE 4.11 Astronaut Chris Hadfield eats a banana aboard the International Space Station. | image | textbook_images/cellular_respiration_21593.png |
L_0425 | cellular respiration | T_2505 | FIGURE 4.12 Cut-away view of a mitochondrion | image | textbook_images/cellular_respiration_21594.png |
L_0425 | cellular respiration | T_2505 | FIGURE 4.13 | image | textbook_images/cellular_respiration_21595.png |
L_0425 | cellular respiration | T_2508 | FIGURE 4.14 How photosynthesis and cellular respira- tion are related | image | textbook_images/cellular_respiration_21596.png |
L_0425 | cellular respiration | T_2510 | FIGURE 4.15 The muscles of these hurdlers are work- ing too hard for aerobic respiration to keep them supplied with energy. | image | textbook_images/cellular_respiration_21597.png |
L_0425 | cellular respiration | T_2512 | FIGURE 4.16 Bread has little holes in it from carbon dioxide produced by yeast. | image | textbook_images/cellular_respiration_21598.png |
L_0428 | protein synthesis | T_2538 | FIGURE 5.15 Blueprints for a house | image | textbook_images/protein_synthesis_21613.png |
L_0428 | protein synthesis | T_2538 | FIGURE 5.16 Comparison of RNA and DNA | image | textbook_images/protein_synthesis_21614.png |
L_0428 | protein synthesis | T_2540 | FIGURE 5.17 Translating the genetic code of RNA. The codons are read in sequence until a stop codon is reached. UAG, UGA, and UAA are all stop codons. They dont code for any amino acids. | image | textbook_images/protein_synthesis_21615.png |
L_0428 | protein synthesis | T_2540 | FIGURE 5.18 How the genetic code is read | image | textbook_images/protein_synthesis_21616.png |
L_0428 | protein synthesis | T_2543 | FIGURE 5.19 Transcription step of protein synthesis | image | textbook_images/protein_synthesis_21617.png |
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