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Convention On Biodiversity Quiz 8 (25 MCQs)

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1. International treaty to conserve biodiversity and ensure its resposible use and distribution
2. What is an increase of biodiversity over time, after a natural or man made disturbance?
3. Temperate deserts can be _____
4. What is the main cause of today's extinctions?
5. What biome contains the least amount of species biodiversity?
6. The Endangered Species Act of 1973 protects registered endangered species by removing them from the "take" list which makes it unlawful to
7. The practice of harvesting or hunting to such a degree that remaining individuals may not be able to replenish the population is called _____
8. Which is the most direct way in which biodiversity can provide a source of income?
9. Organisms that play a role in the way an ecosystem functions is called
10. A treaty is a(n)
11. If a population grows larger than its environmental carrying capacity, then
12. Biodiversity is measured by what two factors?
13. An ecosystem with increasing plant and animals is said to have which diversity?
14. A species that is critical to the functioning of an ecosystem is called a(n)
15. Another form of pollution that destroys underwater habitats for fish and other species.
16. Which of the following describes a species that will soon be gone if nothing is done?
17. Which of the following terms describes the net amount of organic matter that an ecosystem or biome produces?
18. A species that is not native to a particular region
19. Why is biodiversity important for agriculture?
20. If a species is only found in one place on Earth we call it a(n) _____
21. Species diveristy is
22. A biodiversity hotspot
23. The vertical movement of cold, nutrient-rich water from the ocean depths to its surface is called
24. _____ happens when fertilizers, animal waste, sewage or other substances rich in nitrogen and phosphorus are lost into waterways causing excessive algae growth.
25. A species which serves as an early warning sign that a community or ecosystem is being altered or degraded.
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