Ecology 2

Test Description: Climate, interactions

Instructions: Answer all questions to get your test result.

1) Only 10 percent of the energy stored in an organism can be passed on to the next trophic level. Of the remaining energy, some is used for the organism’s life processes, and the rest is

2) The average year-after-year conditions of temperature and precipitation in a particular region are referred to as the region’s

3) All of the following factors contribute to Earth’s climate EXCEPT

4) Temperatures on Earth remain within a suitable range for life as we know it because of the

5) Each of the following is an abiotic factor in the environment EXCEPT

6) Which is a biotic factor that affects the size of a population in a specific ecosystem?

7) An organism’s niche is

8) An interaction in which one organism captures and feeds on another organism is called

9) Different species can share the same habitat, but competition among them is reduced if they

10) A symbiotic relationship in which both species benefit is


*select an answer for all questions

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