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Ecology Quiz 184 (20 MCQs)

Quiz Instructions

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1. Gas that makes up almost 80% of Earth's atmosphere
2. An organism that feeds on dead or decaying plant or animal remains
3. Rabbits introduced into Australia over 100 years ago have become a serious pest to farmers. Rabbit populations increases so much that they displaced many native species of plant eaters. What is the most logical explanation for their increased numbers?
4. Which biome has very high soil quality good for growing corn and wheat?
5. What are the species with high resistance called?
6. Nitrogen is the most plentiful gas in the atmosphere.
7. Biodiversity is the ..... of life and very important to the sustainability of the .....
8. The relationship between organisms where they help each other
9. This biome has 4 seasons with hot summers, cold winters, and the leaves change colors in the fall.
10. The specific role or way of life of a species within its environment
11. Which statement about producers is true?
12. When the wolf population declined to zero, it caused a negative effect on all other populations in the food chain
13. A diagram that shows how energy is transferred from one organism to another
14. What are two ways in which the environment can influence population size?
15. The place where an organism lives out its life.
16. A sharks powerful jaws
17. The role or function or job of a species in a community.
18. Which one of the following keystone examples is a keystone predator found in the tidal pools of northwestern North America and was the species that launched Robert Paine's keystone species concept?
19. Which human activity would most likely deplete nonrenewable resources?
20. In ecology, how is a "community" different from a "population?"
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