Ecology Quiz 167 (20 MCQs)

Quiz Instructions

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1. A relationship where both organisms benefit. cow and egret.
2. Which of the following is NOT a limiting factor?
3. A stick
4. The first organism in a food chain is called the
5. An organism that has an unusually large effect on an ecosystem is called a(n)
6. Scientists use a model called a ..... to show the amount of energy that is available in each step of a food chain.
7. A certain fungus can be harmful when it infects the outermost layers of the human foot, while another type of fungus can be beneficial when it recycles nutrients by breaking down dead organisms. Which terms identify these two roles of fungi?
8. This entity will be the first one to colonize a bare rock
9. Large-scale deforestation in tropical areas has occurred to:
10. Flea on a cat
11. What is the process in the nitrogen cycle that returns nitrogen back into the atmosphere?
12. A ..... is all the living and nonliving things around you.
13. ..... is a group of the same species in a community.
14. A limitation of biological pyramids is that organisms have to be
15. When BOTH species/organisms BENEFIT from the relationship (bees and flower)
16. A remora eats food debris left over by a turtle. The turtle is not affected in anyway, but the remora gets a free meal.
17. If one group of organisms is destroyed in a food web, it is possible that the whole food web will be affected.
18. Because increased carbon in the atmosphere traps heat in Earth's atmosphere, what is the name of the process that is intensified?
19. The process by which certain animals form strong attachments during an early-life critical period.
20. An organism that makes its own food