Ecology Quiz 142 (20 MCQs)

Quiz Instructions

Select an option to see the correct answer instantly.

1. Cutting of trees in a forest is callled

Correct Answer: B) Deforestation.

2. What is the study of interactions between organisms and the living and nonliving components of their environment?

Correct Answer: C) Ecology.

3. An Organism that can't make its own food and has to eat other organisms.

Correct Answer: B) Heterotroph.

4. What is labeled as 3?

Correct Answer: B) Community.

5. Which of the following factors is not a threat to biodiversity?

Correct Answer: D) Land bridges or corridors.

6. When energy moves between trophic levels in an ecosystem energy is lost as?

Correct Answer: A) Heat.

7. My mother ..... flowers in our garden.

Correct Answer: B) Plants.

8. If an organism is extinct, that means

Correct Answer: D) Its population declines to zero:no living members remain. (zero).

9. Organisms use 90% of the available energy at each trophic level.

Correct Answer: B) False.

10. What does fungi do to dead plants and animals?

Correct Answer: B) Decompose them.

11. A(n) ..... eats mainly plants.

Correct Answer: C) Herbivore.

12. Throw your ..... in the bin

Correct Answer: A) Rubbish.

13. Series of changes that occur in an area where no soil or organisms exist

Correct Answer: A) Primary succession.

14. If a producer receives 5, 000, 000 kJ of energy, the tertiary consumer would only have access to about ..... kJ of energy

Correct Answer: C) 5, 000.

15. Adaptation

Correct Answer: D) An animal's body uses 's to survive an environment.

16. Are parasites good for us true or false?

Correct Answer: A) False.

17. Photosynthesis is important because .....

Correct Answer: B) It makes food for the food webs.

18. Illustration that shows who eats whom

Correct Answer: B) Food chain.

19. The competition relationship is when the members of the same population have to compete for a limited supply of food. This competition prevents

Correct Answer: C) The population from growing too big.

20. Question2

Correct Answer: C) Ez.