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5,300 | NDQ_012128 | role of amphibians | how many frogs are harvested each year as food for people? | null | null | Multiple Choice | a. about 1,000,000, b. about 100,000,000, c. about 1,000,000,000, d. about 1,000,000,000,000 | a |
5,301 | NDQ_012129 | role of amphibians | many proteins involved in development have been isolated from xenopus. what made this possible? | null | null | Multiple Choice | a. Because the exact developmental stage after fertilization can be easily, b. Because not many proteins are involved in development in this species., c. Because the proteins from this frog are big and can be seen with a microscope., d. all of the above | a |
5,302 | NDQ_012140 | safety in the life sciences | pathogens include disease-causing microorganisms, such as bacteria and fungi. | null | null | Multiple Choice | a. true, b. false | a |
5,303 | NDQ_012141 | safety in the life sciences | professional scientists do not need to follow safety guidelines as carefully as others. | null | null | Multiple Choice | a. true, b. false | b |
5,304 | NDQ_012145 | safety in the life sciences | which of the following is not a safety guideline for the laboratory? | null | null | Multiple Choice | a. Tie back short hair., b. Wear closed toe shoes., c. Use gloves when appropriate., d. Never eat or drink in the laboratory. | a |
5,305 | NDQ_012146 | safety in the life sciences | which best describes a teratogen? | null | null | Multiple Choice | a. Disease causing agent, such as a bacterium, virus, fungus, or protozoan., b. A chemical that can cause cancer., c. Any material that could carry disease., d. A chemical that can cause deformities in a developing embryo. | d |
5,306 | NDQ_012147 | safety in the life sciences | while performing an experiment, if anything out of the ordinary occurs, the first thing you should do is | null | null | Multiple Choice | a. to alert your teacher immediately., b. to clean with a dust pan and broom., c. to fill out an accident report., d. hide. | a |
5,307 | NDQ_012148 | safety in the life sciences | which best describes a field scientist? | null | null | Multiple Choice | a. A scientist who studies the ecology of grass fields., b. A scientist who studies protected wildlife or plant species., c. A scientist who studies the monarch butterfly., d. A scientist who works outdoors. | d |
5,308 | NDQ_012149 | safety in the life sciences | before biologists can study protected animal species, | null | null | Multiple Choice | a. they must observe the animals in their natural environment., b. they must apply for permission to do so., c. they must move to the area where the animals live., d. all of the above | b |
5,309 | NDQ_012150 | salamanders | a salamander looks like it has the head of a frog with the body of a lizard. | null | null | Multiple Choice | a. true, b. false | a |
5,310 | NDQ_012151 | salamanders | many salamanders live in swamps, as there is plenty of plant life for them to eat. | null | null | Multiple Choice | a. true, b. false | b |
5,311 | NDQ_012155 | salamanders | salamander defenses include | null | null | Multiple Choice | a. glands that give off a poisonous or bad-tasting liquid, b. brightly colored, poisonous skin, c. a frightening stance, d. all of the above | d |
5,312 | NDQ_012156 | salamanders | salamanders can be found on all continents except | null | null | Multiple Choice | a. Australia and Asia, b. Australia and Antarctica, c. Antarctica and Africa, d. Australia and Africa | b |
5,313 | NDQ_012157 | salamanders | which characteristic is associated with sirens? | null | null | Multiple Choice | a. develops four legs as an adult, b. spends most of each year living on land, c. long, strong and flat tail that helps during swimming, d. all of the above | c |
5,314 | NDQ_012158 | salamanders | which describes salamanders that live in caves? | null | null | Multiple Choice | a. have pale skin, b. have reduced eyes, c. able to live in complete darkness, d. all of the above | d |
5,315 | NDQ_012159 | salamanders | what is unique about the ribbed newt? | null | null | Multiple Choice | a. has poison glands throughout its skin, b. has claws and fangs for defense, c. has tremendous speed due to well-developed muscles, d. has needle-like rib tips that can pierce through its skin for defense | d |
5,316 | NDQ_012160 | scientific investigation | the scientific method is the general process of a scientific investigation. | null | null | Multiple Choice | a. true, b. false | a |
5,317 | NDQ_012161 | scientific investigation | scientists always exactly follow all the steps in the scientific method. | null | null | Multiple Choice | a. true, b. false | b |
5,318 | NDQ_012165 | scientific investigation | what is the first step in the scientific method? | null | null | Multiple Choice | a. Make observations., b. Communicate your results., c. Form a hypothesis., d. Analyze your results. | a |
5,319 | NDQ_012166 | scientific investigation | what is the last step in the scientific method? | null | null | Multiple Choice | a. Make observations., b. Communicate your results., c. Form a hypothesis., d. Analyze your results. | b |
5,320 | NDQ_012167 | scientific investigation | which of the following is in the correct sequence? | null | null | Multiple Choice | a. ask a question – form a hypothesis – draw conclusion – make observations, b. communicate results – make observations – form a hypothesis – draw conclusion, c. ask a question – form a hypothesis – test the hypothesis – draw conclusion, d. make observations – ask a question – draw conclusion - test the hypothesis | c |
5,321 | NDQ_012168 | scientific investigation | which of the following is true concerning a hypothesis? | null | null | Multiple Choice | a. It must be testable., b. It must be proven wrong., c. It must provide yes, no or inconclusive answers., d. all of the above | a |
5,322 | NDQ_012169 | scientific investigation | how do scientists communicate their results? | null | null | Multiple Choice | a. Scientists may talk to small groups of scientists and give talks at large scientific meetings., b. Scientists write articles for scientific journals., c. Scientists may communicate their findings to journalists., d. all of the above | d |
5,323 | NDQ_012170 | scientific theories | a hypothesis is based on evidence collected through experiments. | null | null | Multiple Choice | a. true, b. false | b |
5,324 | NDQ_012171 | scientific theories | if only a little evidence disproves a scientific theory, the theory can still be accepted. | null | null | Multiple Choice | a. true, b. false | b |
5,325 | NDQ_012175 | scientific theories | to collect evidence to support a hypothesis, | null | null | Multiple Choice | a. scientists develop a theory., b. scientists do experiments., c. scientist follow the scientific law., d. all of the above | b |
5,326 | NDQ_012176 | scientific theories | which of the following is considered evidence? | null | null | Multiple Choice | a. A direct, physical observation of something or a process over time., b. Something measurable., c. The data resulting from an experiment., d. all of the above | d |
5,327 | NDQ_012177 | scientific theories | which of the following describes a scientific law? | null | null | Multiple Choice | a. A scientific law explains an aspect of the natural world based on repeated observations., b. A scientific law describes what always happens under certain conditions in, c. A scientific law is a proposed explanation for something that is testable., d. A scientific law explains what usually happens in nature. | b |
5,328 | NDQ_012178 | scientific theories | which of the following is true concerning scientific theories? | null | null | Multiple Choice | a. Scientific theories produce information that helps us understand our world., b. Scientific theories are tested and confirmed by many different people., c. Scientific theories have lots of evidence in support of the theory., d. All of the above are true concerning scientific theories. | d |
5,329 | NDQ_012179 | scientific theories | when can a scientific theory be changed? | null | null | Multiple Choice | a. When new evidence is found., b. When a new scientific law is made., c. When the hypothesis changes., d. all of the above | a |
5,330 | NDQ_012180 | scientific ways of thinking | the key to being a great scientist is to ask questions. | null | null | Multiple Choice | a. true, b. false | a |
5,331 | NDQ_012181 | scientific ways of thinking | good scientists are skeptical. they question the answers to their questions. | null | null | Multiple Choice | a. true, b. false | a |
5,332 | NDQ_012185 | scientific ways of thinking | which of the following could be a scientific question? | null | null | Multiple Choice | a. Why does Joey like pizza?, b. What differs between the two environments where the lions live?, c. Williams a boring teacher?, d. All of the above could be scientific questions. | b |
5,333 | NDQ_012186 | scientific ways of thinking | which of the following is a detailed observation? | null | null | Multiple Choice | a. The chimps on one side of the jungle are dying, while chimps on the other side of the jungle are healthy., b. While all chimps on the north side of the jungle are healthy, four female and five male, c. Young chimps on the south side die due to a lack of nutrients in their diet., d. All of the above are detailed observations. | b |
5,334 | NDQ_012187 | scientific ways of thinking | which of the following statements is true? | null | null | Multiple Choice | a. A scientific experiment provides a conclusion to a question., b. Detailed observations result in scientific conclusions., c. A scientific hypothesis is based on scientific experiments., d. A scientific hypothesis is based on detailed observations. | d |
5,335 | NDQ_012188 | scientific ways of thinking | how do scientists find answers? | null | null | Multiple Choice | a. Scientists find answers using experiments., b. Scientists find answers by making careful observations., c. Scientists find answers by drawing conclusions., d. Scientists find answers by asking appropriate questions. | a |
5,336 | NDQ_012189 | scientific ways of thinking | what is a conclusion? | null | null | Multiple Choice | a. A test to obtain new data., b. The reason that an experiment is done., c. The meaning of the outcome of an experiment based on the evidence., d. A proposed explanation for something that is testable. | c |
5,337 | NDQ_012190 | seasonal changes in plants | plants can readily tell what month it is. | null | null | Multiple Choice | a. true, b. false | b |
5,338 | NDQ_012191 | seasonal changes in plants | plants can readily tell the length of darkness each 24 hour period. | null | null | Multiple Choice | a. true, b. false | a |
5,339 | NDQ_012195 | seasonal changes in plants | in california, a certain long day plant has a photoperiod of 14 hours. when is this plant most likely to bloom? | null | null | Multiple Choice | a. February, b. April, c. July, d. September | c |
5,340 | NDQ_012196 | seasonal changes in plants | which of the following are short-day plants? | null | null | Multiple Choice | a. cotton, rice and lettace, b. cotton, rice and sugar cane, c. lettuce, wheat and turnips, d. cotton, lettuce and wheat | b |
5,341 | NDQ_012197 | seasonal changes in plants | how do plants determine the time of year? | null | null | Multiple Choice | a. By the change in temperature, b. By the length of daylight and darkness., c. By the amount of rain., d. By both the temperature changes and length of daylight. | b |
5,342 | NDQ_012198 | seasonal changes in plants | more flowers bloom during the spring and summer than other months. this means that | null | null | Multiple Choice | a. there are more long-day plants than short–day plants., b. there are more short-day plants than long-day plants., c. plants like the warm temperatures., d. both (a | a |
5,343 | NDQ_012199 | seasonal changes in plants | why do leaves change color in the fall? | null | null | Multiple Choice | a. It is a response to additional precipitation., b. It is a response to the decrease in temperature., c. It is a response to a shortened length of day., d. all of the above | c |
5,344 | NDQ_012200 | seeds and seed dispersal | seeds allow a plant embryo to survive harsh conditions. | null | null | Multiple Choice | a. true, b. false | a |
5,345 | NDQ_012201 | seeds and seed dispersal | some seeds can stay in a resting state for hundreds of years. | null | null | Multiple Choice | a. true, b. false | a |
5,346 | NDQ_012205 | seeds and seed dispersal | which of the following is a characteristic of a seed? | null | null | Multiple Choice | a. Some seeds have features that allow them to be carried long distances by wind., b. Some seeds are embedded in fleshy fruits so they are eaten by animals., c. Some seeds have adaptations so that they will be carried on the fur of an animal., d. All of the above are characteristics of seeds. | d |
5,347 | NDQ_012206 | seeds and seed dispersal | how are the fruits of a maple tree dispersed? | null | null | Multiple Choice | a. Animals are attracted to the maple syrup taste, and disperse the seeds., b. Maple trees have specialized fruits with wing-like parts that help seed, c. The maple leaves are dispersed by the wind as they fall off the tree., d. Maple trees do not have fruits. | b |
5,348 | NDQ_012207 | seeds and seed dispersal | how are the seeds of pine trees dispersed? | null | null | Multiple Choice | a. Pine trees have pine fruits that stick to animals fur and are dispersed., b. Pine trees have pine cones that animals eat and disperse., c. Pine trees have tiny seeds with wings that are dispersed by wind., d. Pine trees do not have seeds. | c |
5,349 | NDQ_012208 | seeds and seed dispersal | how are the seeds of an apple tree dispersed? | null | null | Multiple Choice | a. Apple seeds stick to an animal’s fur, dispersing the seeds as the animal moves., b. Apples are eaten by animals, dispersing the seeds in the animal’s feces., c. Apples are carried by the wind, dispersing the seeds., d. All of the above. | b |
5,350 | NDQ_012209 | seeds and seed dispersal | how are non-fleshy fruits dispersed? | null | null | Multiple Choice | a. Non-fleshy fruits stick to an animal’s fur, dispersing the seeds as the animal, b. Non-fleshy fruits are eaten by animals, dispersing the seeds in the animal’s feces., c. Non-fleshy fruits are carried by the wind, dispersing the seeds., d. All of the above. | a |
5,351 | NDQ_012269 | social behavior of animals | an ant colony may have over a billion ants. | null | null | Multiple Choice | a. true, b. false | b |
5,352 | NDQ_012270 | social behavior of animals | male lions of a pride work together to hunt. | null | null | Multiple Choice | a. true, b. false | b |
5,353 | NDQ_012274 | social behavior of animals | the role of the male drones is to | null | null | Multiple Choice | a. find food., b. defend the colony against predators., c. mate with the queen., d. All of the above are roles of male ants and bees. | c |
5,354 | NDQ_012275 | social behavior of animals | which of the following are social animals? | null | null | Multiple Choice | a. reptiles, b. birds, c. many mollusks, d. All of the above are social animals. | b |
5,355 | NDQ_012276 | social behavior of animals | which of the following is the job of worker ants? | null | null | Multiple Choice | a. to care for the young, b. to build and repair the colony’s nest, c. to find food, d. All of the above are jobs of worker ants. | d |
5,356 | NDQ_012277 | social behavior of animals | which of the following statements is true? | null | null | Multiple Choice | a. Young female meerkats search for food., b. Social animals includes lions, crows and wolves., c. Female lions work together to care for their young., d. All of the above are true. | b |
5,357 | NDQ_012278 | social behavior of animals | which of the following statements is true? | null | null | Multiple Choice | a. Worker ants defend the colony against predators., b. Young worker bees, having the most energy, leave the colony to fing food., c. Most bees are drones that mate with the queen., d. All of the ants in the colony work together as a single unit. | d |
5,358 | NDQ_012299 | structural evidence for evolution | you ancient ancestors had tails. | null | null | Multiple Choice | a. true, b. false | a |
5,359 | NDQ_012300 | structural evidence for evolution | humans evolved from chimpanzees. | null | null | Multiple Choice | a. true, b. false | b |
5,360 | NDQ_012304 | structural evidence for evolution | which of the following are vestigial structures? | null | null | Multiple Choice | a. the pelvic bones of a whale, b. the eyes of cavefish, c. the wings of ostriches and emus, d. All of the above are vestigial structures. | d |
5,361 | NDQ_012305 | structural evidence for evolution | bats, lions and whales are all mammals. homologous structures have a common function and suggest common ancestry. which of the following pairs of structures are homologous structures? | null | null | Multiple Choice | a. bat wings and whale flippers, b. bat wings and lion legs, c. lion legs and whale flippers, d. All of the above are homologous structures. | d |
5,362 | NDQ_012306 | structural evidence for evolution | the presence of pelvic bones in a whale suggests that | null | null | Multiple Choice | a. whales once had legs., b. whales are descended from other sea life that used legs to swim., c. whales are descended from land-dwelling ancestors that had legs., d. whales once lived on land. | c |
5,363 | NDQ_012307 | structural evidence for evolution | the presence of gill slits in a human embryo suggests that | null | null | Multiple Choice | a. humans and fish shared a common ancestor., b. humans once lived in the sea., c. humans once used gills to breath., d. all of the above | a |
5,364 | NDQ_012308 | structural evidence for evolution | which best describes a vestigial structure? | null | null | Multiple Choice | a. A structure that has developed a different use through evolution., b. A structure that has lost its use through evolution., c. A structure that is no longer necessary., d. A structure that did not develop properly. | b |
5,365 | NDQ_012309 | succession | primary succession always starts with a pioneer species, which is usually a type of small insect. | null | null | Multiple Choice | a. true, b. false | b |
5,366 | NDQ_012310 | succession | secondary succession usually begins with small grasses. | null | null | Multiple Choice | a. true, b. false | a |
5,367 | NDQ_012314 | succession | what is the end result of ecological succession? | null | null | Multiple Choice | a. a secondary forest, b. a secondary community, c. a climax community, d. a climax ecosystem | c |
5,368 | NDQ_012315 | succession | what do lichens help create? | null | null | Multiple Choice | a. rock, b. soil, c. fungi, d. plants | b |
5,369 | NDQ_012316 | succession | after a forest fire, | null | null | Multiple Choice | a. secondary succession occurs., b. fertilizer needs to be applied to the land., c. seeds need to be replanted., d. all of the above | a |
5,370 | NDQ_012317 | succession | which would represent primary succession? | null | null | Multiple Choice | a. rock ® lichen ® moss ® grass ® trees ® shrub, b. rock ® moss ® lichen ® grass ® shrub ® trees, c. rock ® lichen ® moss ® shrub ® grass ® trees, d. rock ® lichen ® moss ® grass ® shrub ® trees | d |
5,371 | NDQ_012318 | succession | what event can initiate secondary succession? | null | null | Multiple Choice | a. a forest fire, b. an abandoned field, c. a flood, d. all of the above | d |
5,372 | NDQ_012319 | symbiosis | the worst symbiotic relationship is one in which neither organism benefits. | null | null | Multiple Choice | a. true, b. false | b |
5,373 | NDQ_012320 | symbiosis | parasites usually kill their host. | null | null | Multiple Choice | a. true, b. false | b |
5,374 | NDQ_012324 | symbiosis | what type of relationship involves an organism using another for transportation or housing? | null | null | Multiple Choice | a. mutualism, b. commensalism, c. parasitism, d. all of the above | b |
5,375 | NDQ_012325 | symbiosis | what type of relationship exists between the ostrich and the zebra? | null | null | Multiple Choice | a. mutualism, b. commensalism, c. parasitism, d. predator-prey relationship | a |
5,376 | NDQ_012326 | symbiosis | what type of relationship exists between hookworms and humans? | null | null | Multiple Choice | a. mutualism, b. commensalism, c. parasitism, d. predator-prey | c |
5,377 | NDQ_012327 | symbiosis | what type of relationship exists between tigers and golden jackals? | null | null | Multiple Choice | a. mutualism, b. commensalism, c. parasitism, d. predator-prey relationship | b |
5,378 | NDQ_012328 | symbiosis | what is the type of symbiotic relationship where only one species benefits? | null | null | Multiple Choice | a. mutualism, b. commensalism, c. parasitism, d. predator-prey relationship | b |
5,379 | NDQ_012329 | symbiotic relationships of fungi | many plants need fungi to live. | null | null | Multiple Choice | a. true, b. false | a |
5,380 | NDQ_012330 | symbiotic relationships of fungi | both organisms benefit in a mutualistic relationship. | null | null | Multiple Choice | a. true, b. false | a |
5,381 | NDQ_012334 | symbiotic relationships of fungi | how do fungi help ants and termites? | null | null | Multiple Choice | a. Fungi help ants and termites digest wood or leaves., b. Fungi provide ants and termites with food,, c. Fungi decompose ants and termites., d. all of the above | a |
5,382 | NDQ_012335 | symbiotic relationships of fungi | fungi cause what human diseases? | null | null | Multiple Choice | a. Dutch Elm disease and ringworm, b. athlete’s foot and worms, c. ringworm and athlete’s foot, d. poison oak sink rash and ringworm | c |
5,383 | NDQ_012336 | symbiotic relationships of fungi | fungi forms symbiotic relationships with | null | null | Multiple Choice | a. plants and algae., b. insects., c. humans., d. all of the above | d |
5,384 | NDQ_012337 | symbiotic relationships of fungi | which of the following statements is true? | null | null | Multiple Choice | a. Dutch elm disease is a serious issue in the world today., b. Dutch elm disease is caused by a fungal parasite., c. Dutch elm fungus was carried to the trees by mosquitoes., d. all of the above are true | b |
5,385 | NDQ_012338 | symbiotic relationships of fungi | primary succession is the new growth of life in areas where life has never been. this is usually on new land where soil may be lacking. in a rock-based environment without soil, what type of fungi is probably one of the earliest forms of life? | null | null | Multiple Choice | a. mushrooms, b. lichen, c. mycorrhizae, d. molds | b |
5,386 | NDQ_012349 | terrestrial biomes | latitude, humidity, and elevation affect the type of terrestrial biome. | null | null | Multiple Choice | a. true, b. false | a |
5,387 | NDQ_012350 | terrestrial biomes | the humidity of a desert is most likely described as arid. | null | null | Multiple Choice | a. true, b. false | a |
5,388 | NDQ_012354 | terrestrial biomes | what is the coldest of all biomes? | null | null | Multiple Choice | a. the grassland, b. the desert, c. the tundra, d. the forest | c |
5,389 | NDQ_012355 | terrestrial biomes | tropical, temperate, and taiga refer to what type of biomes? | null | null | Multiple Choice | a. grasslands, b. deserts, c. the tundra, d. forests | d |
5,390 | NDQ_012356 | terrestrial biomes | which of the following describes the tundra? | null | null | Multiple Choice | a. characterized by frost-molded landscapes, b. characterized by short growing seasons, c. characterized by little precipitation, d. all of the above | d |
5,391 | NDQ_012357 | terrestrial biomes | deserts cover about __________ of the earths surface and occur where rainfall is less than __________ each year. | null | null | Multiple Choice | a. 1/10, 20 cm, b. 1/5, 100 cm, c. 1/5, 50 cm, d. 1/10, 100 cm | c |
5,392 | NDQ_012358 | terrestrial biomes | moving from the poles to the equator, you will find, in order, | null | null | Multiple Choice | a. arctic, temperate, boreal, subtropical, and tropical biomes., b. arctic, boreal, temperate, subtropical, and tropical biomes., c. arctic, temperate, subtropical, tropical and boreal biomes., d. boreal, arctic, temperate, subtropical, and tropical biomes. | b |
5,393 | NDQ_012359 | the biosphere | earth maintains homeostasis. | null | null | Multiple Choice | a. true, b. false | a |
5,394 | NDQ_012360 | the biosphere | bacteria, protists, and fungi are found in each part of the biosphere. | null | null | Multiple Choice | a. true, b. false | a |
5,395 | NDQ_012364 | the biosphere | what is the layer of gas that surrounds the planet? | null | null | Multiple Choice | a. the lithosphere, b. the atmosphere, c. the hydrosphere, d. the biosphere | b |
5,396 | NDQ_012365 | the biosphere | what can be found on, under, and over the surface of earth? | null | null | Multiple Choice | a. the lithosphere, b. the atmosphere, c. the hydrosphere, d. the biosphere | c |
5,397 | NDQ_012366 | the biosphere | what ranges from 11,000 meters below sea level to 15,000 meters above sea level? | null | null | Multiple Choice | a. the lithosphere, b. the atmosphere, c. the hydrosphere, d. the biosphere | d |
5,398 | NDQ_012367 | the biosphere | land is part of what component of the biosphere? | null | null | Multiple Choice | a. the lithosphere, b. the atmosphere, c. the hydrosphere, d. the biosphere | a |
5,399 | NDQ_012368 | the biosphere | what ecosystems are scientists studying at biosphere 2? | null | null | Multiple Choice | a. a coral reef and a mangrove wetland, b. a savannah grassland and a tropical rainforest, c. a fog desert, d. all of the above | d |
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