Ecology Quiz 39 (20 MCQs)

Quiz Instructions

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1. What biome is found in between a forest and a desert?

Correct Answer: B) Grasslands.

2. What is one way an endothermic animal can respond to being cold?

Correct Answer: D) Shivering.

3. In what ways have humans had an effect on the Nitrogen cycle? I. Use of fertilizers II. Combustion of fossil fuels III. Urbanization

Correct Answer: C) I and II.

4. A ..... is made up of all the populations in an area

Correct Answer: D) Community.

5. ..... is part of the air, rocks, soil, and all living things.

Correct Answer: B) Carbon.

6. You get all of your energy from .....

Correct Answer: B) Food.

7. Contains all living parts of earth; made up of all ecosystems on the planet

Correct Answer: A) Biosphere.

8. Which energy role obtains energy through breaking down dead organisms and waste products and returning the nutrients to the environment?

Correct Answer: C) Decoposer.

9. How can a wildfire be beneficial to an environment

Correct Answer: B) Allows seed to germinate.

10. Approximately how much energy is lost in each trophic step of a food chain?

Correct Answer: B) 90%.

11. Examples of Abiotic things

Correct Answer: B) Light, water, soil.

12. An organism that obtains energy from eating meats

Correct Answer: B) Carnivores.

13. A particular environment and all the living things that are supported by it

Correct Answer: C) Ecocsystem.

14. Levels of organization for an ecosystem in order

Correct Answer: A) Speices-habitat-niche-population-communities-ecosystem-biome.

15. Captures energy from sunlight and changes it into energy

Correct Answer: A) Producer.

16. What has the highest levels on the pyramid

Correct Answer: A) Lowest part of the pyramid.

17. The mode of these numbers:3, 3, 5, 6 would be:

Correct Answer: C) 3.

18. Hermit crabs live in shells made and then abandoned by snails

Correct Answer: D) Commensalism.

19. Round structures on the roots of certain plants

Correct Answer: D) Nodules.

20. What is it called when you have groups of different populations along with their abiotic factors?

Correct Answer: D) An ecosystem.