Ecology Quiz 41 (20 MCQs)

Quiz Instructions

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1. Which of the following shows an abiotic factor interacting with a biotic factor in the environment?

Correct Answer: C) Low light intensity affects the growth of forest pine trees.

2. Two species of monkeys eat fruit from same tree

Correct Answer: B) Competition.

3. This Biome has extremely hot and extremely cold temperatures.

Correct Answer: B) Desert.

4. Which of the following is an example of a biotic component of the environment?

Correct Answer: B) Vegetation.

5. What is a food web?

Correct Answer: B) A series of overlapping food chains.

6. All living organisms in an area and all the nonliving features of their environment is called the

Correct Answer: B) Ecosystem.

7. Which biome has the least amount of rainfall?

Correct Answer: C) Tundra.

8. Which organelle performs PHOTOSYNTHESIS?

Correct Answer: A) Chloroplast.

9. All the energy in a food web/chain originate from what?

Correct Answer: C) The Sun.

10. Fossil fuels are considered nonrenewable resources because they .....

Correct Answer: C) Take hundreds of millions of years to form.

11. Drought, erosion, flood, and prolonged heat spells are examples of-

Correct Answer: D) Abiotic changes within an ecosystem which can affect biotic factors.

12. All of the organisms that inhabit the savanna make up a(n)

Correct Answer: B) Biome.

13. Omnivorous

Correct Answer: C) Feed on plants and animals.

14. Which organism break large molecules into smaller ones and return them to the abiotic environment?

Correct Answer: C) Decomposers.

15. Part of the water cycle in which the water moves back to the atmosphere in the form of vapor

Correct Answer: C) Both (Evapo-transpiration).

16. Which choice below shows the correct order of a food chain?

Correct Answer: B) Sun $\rightarrow$ tomato plant $\rightarrow$ rabbit $\rightarrow$ hawk $\rightarrow$ decomposer.

17. Water stored below the Earth's surface is called:

Correct Answer: A) Groundwater.

18. A group of individuals of the same species in a particular area

Correct Answer: B) Population.

19. What do the arrows show in a food chain or food web?

Correct Answer: A) Flow of energy.

20. What is an organism's niche

Correct Answer: C) Their job or role in the ecosystem.