Ecology Quiz 34 (20 MCQs)

Quiz Instructions

Select an option to see the correct answer instantly.

1. TRUE or FALSE:A community includes all abiotic and biotic factors.

Correct Answer: B) Decisions.

2. Ecosystems

Correct Answer: D) Can be huge or tiny.

3. Anything that can LIMIT the size of a population, including living and nonliving features of an ecosystem

Correct Answer: A) Limiting Factor.

4. A habitat provides the following for an organism .....

Correct Answer: B) Food.

5. Harmful gases produced by cars are called .....

Correct Answer: B) Exhaust fumes.

6. Consumes leftover meat or vegetation

Correct Answer: B) Scavenger.

7. Rivers and Streams 2. Lakes and Ponds 3. Wetlands:Marshes, Swamps and Bogs are all what kind of biome?

Correct Answer: A) Freshwater.

8. What type of even could have caused a secondary succession?

Correct Answer: A) Forest fire.

9. Plants growing in a pond release a gas that fish need to survive. What is the gas?

Correct Answer: D) Oxygen.

10. The change in community structure over time is called .....

Correct Answer: D) Succession.

11. Organisms that only eat consumers

Correct Answer: B) Carnivores.

12. Which group of organisms in an ecosystem fills the niche of recycling organic matter back to the environment?

Correct Answer: A) Decomposers.

13. Precipitation that falls on land and ﬂows over the surface of the ground

Correct Answer: A) Runoff.

14. Series of changes that occur in an area where the ecosystem has been disturbed but soil and organisms still exist

Correct Answer: B) Secondary succession.

15. What don't we need to recycle?

Correct Answer: D) Food.

16. Humans are causing extiction in which ways?

Correct Answer: D) All of the above.

17. You should take ..... showers.

Correct Answer: C) Short.

18. A relationship between two organisms in which one organism benefits and the other is harmed.

Correct Answer: C) Parasitism.

19. An organism that helps to recycle nutrients within an ecosystem by eating dead or decaying organisms is a:

Correct Answer: D) Decoposer.

20. Is dust arriving from the desert considered an air pollutant?

Correct Answer: A) Yes, because desert dust is composed of particles that cause harm to health.