Ecology And Environment Quiz 11 (20 MCQs)

Quiz Instructions

Select an option to see the correct answer instantly.

1. Due to overfishing, the number of fish in the ocean could drastically decrease. This will cause

Correct Answer: C) A decrease in the stability of the oceans.

2. What does every food chain start with (hint:original source of energy)?

Correct Answer: B) Sun.

3. To find population density:

Correct Answer: B) Population divided by area.

4. Which biome, because of its climate and amount of rainfall, has the largest number of species of plants and animals?

Correct Answer: B) Rainforest.

5. Listing both the benefits and expenses involved in implementing a particular environmental solution is an example of a(n)

Correct Answer: A) Cost benefit analysis.

6. Scientists say that ..... may cause the earth's temperature to rise by 3 degrees.

Correct Answer: C) Global warming.

7. Of freshwater on Earth is "locked away" in what water source location?

Correct Answer: D) Ice and glaciers.

8. The study of heredity

Correct Answer: B) Genetics.

9. Heterotroph that preys (eats) on other heterotrophs.

Correct Answer: A) Carnivore.

10. Which of these relationships is harmful?

Correct Answer: C) A flea on a dog.

11. Which human activity would preserve nonrenewable resources?

Correct Answer: C) Recycling.

12. A resource which occurs naturally in the environment and is used by people is referred to as

Correct Answer: C) A natural resource.

13. Carbon exists in the atmosphere as part of

Correct Answer: B) Carbon dioxide.

14. SECONDARY PRODUCERS ARE

Correct Answer: D) NONE OF THE ABOVE.

15. The variable that the scientist manipulates in an experiment is called the

Correct Answer: D) Independent variable.

16. A natural resource that forms more slowly than the rate at which it is consumed is called

Correct Answer: D) Non-renewable resource.

17. Which word means "safe to drink? "

Correct Answer: B) Potable.

18. Animal that eats both producers and consumers.

Correct Answer: C) Omnivore.

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

Correct Answer: B) Decompose them.

20. What can farmers use to prevent the harming of beneficial insects?

Correct Answer: B) Natural pest control.