What is a food web that includes decomposers

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Reference no: EM133368998

Assignment:

1. A wolf is an example of what member of the food chain?

A. tertiary consumer

B. primary consumer

C. apex consumer

D. secondary consumer

E. producer

2. Because the tropical rainforest has warm temperatures, abundant water, and a year-round growing season, what type of net primary productivity does it have?

A. low

B. medium

C. high

D. productive

3. Because the desert has extreme temperatures and a shortage of water, what type of net primary productivity does it have?

A. medium

B. low

C. productive

D. high

4. What is a food web that includes decomposers and detritivores called?

A. Herbivorous food web

B. Grazing food web

C. Detrital food web

D. Carnivorous food web

5. What happens to the amount of energy as it moves between trophic levels?

A. no change

B. stable

C. decreases

D. increases

6. What term describes the energy that remains in the producers after accounting for respiration and heat loss?

A. grazing food web

B. net primary productivity

C. detrital food web

D. gross primary productivity

7. Where is the majority of the water on Earth found?

A. salt water

B. snow

C. fresh water

D. marsh

E. ice

8. Temperature and precipitation are examples of what in an environment?

A. abiotic factor

B. essential factor

C. living factor

D. biotic factor

9. Why are those at the top of a food chain affected if a species at the bottom of the food chain consumes a toxin?

A. species at the top eat more

B. fat-soluble compounds biomagnify

C. species at the bottom enjoy toxins

D. water availability decreases

10. What is the area of Earth where water movement and storage occurs?

A. troposphere

B. stratosphere

C. hydrosphere

D. atmosphere

11. Which is an example of habitat destruction?

A. replacement of tropical forests with palm oil plantations

B. hunting of West African black rhinoceros to extinction

C. removing a dam from a river

D. introduction of Japanese barberry to northeastern forests

12. The collapse of ecosystems will NOT impact human welfare through what?

A. Increased air pollution

B. Increased medical expenses

C. Increased food costs

D. Increased water quality

13. Which of the following has the lowest relative abundance of species?

A. A prairie with 5 different species of grass

B. A desert with 12 different species of insects

C. A forest with 25 trees, which include 2 different species

D. A coral reef with 36 fish, which include 10 different species

14. What is the main purpose of the Svalbard Seed vault?

A. store seeds for crop biodiversity

B. store seeds as a museum

C. store seeds for agriculture

D. store seeds for plant biodiversity

15. Where are invisible species are most often found?

A. tropical rainforests

B. estuary habitats

C. coral reefs

D. temperate grasslands

16. What is the estimated rate of extinction?

A. 500-1000 times background rate

B. 5-10 times the background rate

C. 1500-2000 times background rate

D. 50-100 times the background rate

17. Which of the following has NOT led to the fisheries extinction?

A. decreased demand for fisheries species

B. Limited government regulation and oversight

C. advances in technology

D. tragedy of the commons

Reference no: EM133368998

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