Biodiversity Test Review

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Biodiversity quiz practice

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Kennedy

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Biodiversity Test Review


Froggy Jumps Biodiversity Test ReviewOnline version Biodiversity quiz practice by Kennedy 1 1. Which region would likely have the greatest amount of biodiversity? a A grassland region with one ecosystem, which supports very large populations of a few different s b A coastal region with three ecosystems, each of which supports many different species. c A mountainous region with two ecosystems, each of which supports a few different species. 2 2. Corals, and the zooxanthellae algae they contain, form the base of a coral reef ecosystem.Organisms like sea urchins feed on microorganisms that grow on the corals.Organisms including seahorses feed on plankton and fish that also inhabit the reef. a b) The immigration of several new populations of sea urchins into the reef. b c) A sudden increase in the harvesting of corals, which decreases the coral population in the reef. c a) The overgrowth of a population of seaweed, which prevents light from reaching the reef. 3 3. In winter, Monarch butterflies migrate to forests that have relatively warm winters. The butterflies are still sensitive to cold, however, and they hibernate on tree branches, bunched together to conserve heat. Which environmental regulation would a b) Require landowners to plant gardens and flowers in yards to attract butterflies. b a) Limit the number of trees cut down for timber in butterfly winter habitats. c c) Plant more trees in the butterflies' summer habitats so they do not have to expend energy on migr 4 4. Species that are clearly most critical to the functioning of an ecosystem are known as a c) native b a) keystone c b) invasive 5 5. A species that is likely to become extinct if protective measures are not taken immediately is known as a c) invasive b b) keystone c a) endangerd 6 6. An endemic species is a b) native and found everywhere b c) exotic and found everywhere c a) native and found only in a limited area 7 7. Biodiversity, aka biological diversity, usually refers to a b) the same species in a general location b a) the number of different species in a given area c c) the number of animal species in a given area 8 8. Following are the main dangers for the biodiversity? Select all that apply a b) Agriculture b a) Deforestation c c) Pollution 9 9. Choose the beneficial ecosystem services provided by biodiversity. Select all that apply a a) purifying water b b) nutrient cycling c c) pollination 10 10. Biodiversity is a measure of how many different species live in an ecosystem. Which of the following statements is TRUE regarding the relationship between biodiversity and ecosystem stability? a a) Ecosystems with high biodiversity are stable. b b) Biodiversity does not affect ecosystem stability, because all ecosystems are stable. c c) Ecosystem with low biodiversity are stable. 11 11. In the Alaskan tundra, there are many plants and animals. Caribou only eat grass, while mice and rabbits eat both grass and small shrubs. Wolves stalk the caribou, and eat them only. The United States is interested in drilling for oil in Alaska. a a) Biodiversity would decrease b c) Biodiversity would not be affected c b) Biodiversity would increase 12 12. Millions of acres of tropical rain forest are being destroyed each year. Which change would most likely occur over time if the burning and clearing of these forests were stopped? a b) an increase in the amount of atmospheric pollution produced b a) an increase in the amount of oxygen released into the atmosphere c c) a decrease in the source of new medicines 13 13. The graph illustrates the growth of the cow population. Which most likely occurred in 1998 and caused the changes after 1998? a b) Decrease of the predator population b c) An increase in the amount of grass for cows to eat c a) Disease 14 14. Which of the following is a key difference between parasitism and mutualism? a b) In parasitism, one organism benefits and the other is unaffected, while in mutualism, both organi b c) In parasitism, both organisms benefit, while in mutualism, one organism is harmed c a) In parasitism, one organism benefits at the expense of the other, while in mutualism, both organi 15 15. In a mutualistic relationship between a clownfish and an anemone, how does the clownfish benefit? a a) The clownfish gets protection from predators by hiding in the anemone b b) The clownfish provides food to the anemone. c c) The clownfish lives in the anemone’s tentacles for warmth. 16 16. Why is a relationship between a lion and a zebra considered predation? a a) The lion harms the zebra by hunting and eating it for food. b c) The lion and zebra both benefit equally from the relationship. c b) The lion feeds on plants, and the zebra feeds on the lion’s leftovers. 17 17. Why do bees and flowers engage in mutualism? a c) The bees use the flowers for shelter. b b) The bees harm the flowers by eating them. c a) The bees help the flowers reproduce by transferring pollen, while the flowers provide nectar for 18 18. How does biodiversity affect ecosystem stability? a b) All species contribute equally to stability. b c) Less biodiversity increases ecosystem productivity. c a) Higher biodiversity leads to more stable ecosystems. 19 19. What is an example of commensalism? a a) Barnacles on a whale. b c) Bees pollinating flowers. c b) A lion and a zebra. 20 20. Approximately how much biomass is present 10 years after the fire? a c) 110 b b) 75 c a) 28 21 21. What is the overall trend shown in the biomass graph? a a) Biomass increases as time since disturbance increases b b) Biomass fluctuates randomly c c) Biomass decreases steadily over time 22 22. Which conclusion is best supported by the biodiversity graph? a b) Ecosystems become less stable over time b a) Biodiversity increases as succession progresses c c) Biodiversity remains unchanged during succession 23 23. Which claim is BEST supported by the data? a d) Increased sea otter population leads to decreased sea urchin population and improved ecosystem he b a) Stable sea otter population causes a rise in sea urchin population and health and biodiversity. c b) Increased sea urchin population results in improved ecosystem health and biodiversity. 24 24. A lake was monitored after zebra mussels were introduced. Which argument is most supported by the data? a b) Native mussels caused algae blooms. b a) Invasive species can disrupt biodiversity even if one environmental factor improves. c c) Fish diversity is independent of mussel populations. 25 25. A mountain ecosystem contains a frog species found nowhere else. Which conclusion BEST uses the data to support the value of biodiversity? a c) Pollination is unrelated to frog populations. b b) Insects should be removed from the ecosystem. c a) Losing endemic species can destabilize ecosystem interactions. 26 26. A grassland restoration project compared two fields. Which argument is most strongly supported? a a) Native species may promote ecosystem resilience by supporting more organisms. b c) Invasive plants always increase biodiversity. c b) Soil erosion increases bird populations.

Biodiversity Test Review

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Biodiversity Test ReviewOnline version

by Kennedy

1. Which region would likely have the greatest amount of biodiversity?

2. Corals, and the zooxanthellae algae they contain, form the base of a coral reef ecosystem.Organisms like sea urchins feed on microorganisms that grow on the corals.Organisms including seahorses feed on plankton and fish that also inhabit the reef.

3. In winter, Monarch butterflies migrate to forests that have relatively warm winters. The butterflies are still sensitive to cold, however, and they hibernate on tree branches, bunched together to conserve heat. Which environmental regulation would

4. Species that are clearly most critical to the functioning of an ecosystem are known as

5. A species that is likely to become extinct if protective measures are not taken immediately is known as

6. An endemic species is

7. Biodiversity, aka biological diversity, usually refers to

8. Following are the main dangers for the biodiversity? Select all that apply

9. Choose the beneficial ecosystem services provided by biodiversity. Select all that apply

10. Biodiversity is a measure of how many different species live in an ecosystem. Which of the following statements is TRUE regarding the relationship between biodiversity and ecosystem stability?

11. In the Alaskan tundra, there are many plants and animals. Caribou only eat grass, while mice and rabbits eat both grass and small shrubs. Wolves stalk the caribou, and eat them only. The United States is interested in drilling for oil in Alaska.

12. Millions of acres of tropical rain forest are being destroyed each year. Which change would most likely occur over time if the burning and clearing of these forests were stopped?

13. The graph illustrates the growth of the cow population. Which most likely occurred in 1998 and caused the changes after 1998?

14. Which of the following is a key difference between parasitism and mutualism?

15. In a mutualistic relationship between a clownfish and an anemone, how does the clownfish benefit?

16. Why is a relationship between a lion and a zebra considered predation?

17. Why do bees and flowers engage in mutualism?

18. How does biodiversity affect ecosystem stability?

19. What is an example of commensalism?

20. Approximately how much biomass is present 10 years after the fire?

21. What is the overall trend shown in the biomass graph?

22. Which conclusion is best supported by the biodiversity graph?

23. Which claim is BEST supported by the data?

24. A lake was monitored after zebra mussels were introduced. Which argument is most supported by the data?

25. A mountain ecosystem contains a frog species found nowhere else. Which conclusion BEST uses the data to support the value of biodiversity?

26. A grassland restoration project compared two fields. Which argument is most strongly supported?