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Convention On Biodiversity Quiz 10 (25 MCQs)

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1. The measure of whether a particular ecosystem is numerically dominated by one species or are all represented by similar numbers of individuals is known as _____
2. _____ regulate the amount of carbon dioxide in the air, produce oxygen as a byproduct of photosynthesis and control rainfall and soil erosion.
3. Competition between two oak trees for obtaining resources is an example of _____ within species.
4. A sea otter in a kelp forest is an example of a(n)
5. Which of the following is least likely a cause of a species becoming endangered?
6. The disappearance of a particular population from a given area, but not the entire species globally is known as _____
7. The passenger pigeon is an example of a(n)
8. Four of the following have resulted in an increase in hunting bushmeat; one has not. Which one is not a cause of this increase?
9. The primary causes of extinction (and endangerment and threatened status) is _____
10. The Asian Carp and the Zebra Mussel are invasive species that are found in _____
11. All living and nonliving things in an environment and the many ways they interact are called _____
12. What is the variety of genes present?
13. A species that exerts a large, positive impaction on its ecosystem is known as a:
14. Biodiversity has value regardless of its usefulness to humans. What is the biodiversity value of that?
15. The number of species in a given area is known as _____
16. The sea otter is a(n) _____ that influences the survival of many other species in its ecosystem.
17. A classic example of overharvesting is evident in the decline of
18. By far, the biggest cause of biodiversity loss today is
19. Which one of these is not a benefit of Biodiversity
20. The study of methods for protecting _____ is called conservation biology.
21. The number and variety of species on Earth is called
22. When referring to an oceanic ecosystem, the terms sustainability and integrity mean
23. Which of the following is not a megadiverse country?
24. The easiest component of biodiversity to measure is
25. Exotic or invasive species leads to all of these problems except
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