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Convention On Biodiversity Quiz 5 (25 MCQs)

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1. Currently we are undergoing the _____ mass extinction
2. _____ species are at serious risk of extinction.
3. What is the Simpson Index for the following community? What is the effective number of species? (5 points)Species A:2Species B:10Species C:23Species D:17Species E:1
4. Mass Extinction includes
5. Invasive species is defined as
6. It is a species that is critical to the functioning of the ecosystem in which it lives because it affects the survival and abundance of many other species in its community.
7. Human threats to biodiversity include:
8. Having more diversity allows organisms and environments to _____
9. The extinction of speciess in a relatively short period of time is called
10. In Finding Nemo, the shark "Bruce" is best described as a _____
11. What year was the Clean Air Act enacted?
12. What types of organisms are more likely to become endangered?
13. Because grasslands are less diverse than tropical forests and have deep root systems, after a fire they tend to exhibit _____ and _____
14. Caribou and Canadian Geese go on a long-distance journey to another place as seasons change to seek food and/or warmer climates. This is called _____
15. The continuous natural extinction rate of species which is typically balanced by the formation of new species is known as;
16. A migratory bird unknowingly accumulates a few seeds of the hwagha plant in her feathers and drops them in an area where those plants did not live before. This is an example of
17. Fire ants in the southeastern US are classified as
18. Why should we remove an invasive species?
19. Which of the following increases species diversity?
20. What types of patterns does a climatograph show?
21. What type of speciation involves isolation due to behavior such as sexual selection or habitat differentiation?
22. Enforces Clear Air Act
23. Which of the following does not destroy habitats?
24. Some conservation biologists focus on areas where the greatest number of unique species can be protected with the least amount of effort. These areas are called _____
25. Which is NOT a benefit of biodiversity?
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