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chapter 20 Quiz 2

Total questions: 10

Worksheet time: 5mins

Name
Class
Date
1.

The following is a food web found in grassland.

The fourth trophic level is the highest trophic level in this food web.

a)

True

b)

False

2.

The following is a food web found in grassland.

S is a heterotroph.

a)

True

b)

False

3.

The following is a food web found in grassland.

U is both a primary consumer and a secondary consumer.

a)

True

b)

False

4.

The following is a food web found in grassland.

Decomposers are not shown in this food web.

a)

True

b)

False

5.

The following is a food web found in grassland.

If the energy input for each food chain is the same, the transfer of energy between P and Q is higher than P and T.

a)

True

b)

False

6.

The following is a food web found in grassland.

The biomass of P is higher than S.

a)

True

b)

False

7.

The diagram shows some processes in the carbon cycle.

Identify processes I.

a)

photosynthesis

b)

respiration

c)

decomposition

8.

The diagram shows some processes in the carbon cycle.

Identify processes II.

a)

photosynthesis

b)

respiration

c)

decomposition

9.

The diagram shows some processes in the carbon cycle.

In which process do decomposers play an important role?

a)

I

b)

II

c)

III

d)

IV

10.

The diagram shows some processes in the carbon cycle.

Explain how human activities affect process IV.

a)

Burning of fossil fuels by humans releases carbon dioxide into the atmosphere.

b)

Burning of fossil fuels by humans absorbs carbon dioxide from the atmosphere.