Ecology Quiz 254 (20 MCQs)

Quiz Instructions

Select an option to see the correct answer instantly.

1. What do all of the cycles of matter have in common?

Correct Answer: A) They have no end, they recycle energy.

2. When an adaptation allows an organism to be better suited for its environment, it's called

Correct Answer: B) Natural selection.

3. An organism that obtains energy by breaking down dead organisms, faeces and excretory products and it reused by the environment is called a .....

Correct Answer: B) Decoposer.

4. In your home, the desk, chair, table, paper, pencil, and refrigerator

Correct Answer: B) Abiotic factors.

5. Humans

Correct Answer: A) Biotic.

6. All of the following make up a habitat except .....

Correct Answer: B) Insect.

7. When a fox eats a bunny the fox is the .....

Correct Answer: D) Predator.

8. Which of the following is NOT a density-independent factor?

Correct Answer: A) Lack of food.

9. A living thing in an ecosystem

Correct Answer: D) Biotic factor.

10. Organisms that play a role in the nitrogen cycle

Correct Answer: D) Plants, animals, and bacteria.

11. The clearance or removal of a forest of group of trees.

Correct Answer: B) Deforestation.

12. Which of the following BEST MATCHES the meaning of the word TEMPERATE.

Correct Answer: A) Temperatures within moderate limits.

13. Can organisms absorb nitrogen gas directly out of the atmosphere?

Correct Answer: B) No.

14. All of the living things in an area are called

Correct Answer: B) Biotic factors.

15. All of the different organisms interacting in a pond make up

Correct Answer: A) A community.

16. Without the Greenhouse Effect the Earth would be

Correct Answer: B) Cold.

17. Not eating too much or too little means we are eating in .....

Correct Answer: A) Moderation.

18. To measure population density, you must divide the number of individuals living in a defined space by the

Correct Answer: A) Area of the space.

19. An animal that eats other animals

Correct Answer: D) Carnivore.

20. The correct order of the organizational level is

Correct Answer: B) Organism, Population, Community, Ecosystem, and Biosphere.