Systems of the Biosphere

Question 1

Sunlight can be considered a food resource.

Revolt · Accepted Answer

T

Question 2

Which of the following factors might be affected by a wildfire?

Revolt · Accepted Answer

all of the above

Question 3

Which of the following scenarios represents change to an ecosystem brought about by biotic factors?

Revolt · Accepted Answer

a landslide caused by cattle overgrazing

Question 4

Arrange the events of succession after a volcano erupted in their proper order.

Revolt · Accepted Answer

pioneer species, soil formation, plant growth

Question 5

An ecosystem has experienced a recent decrease in its plant populations. Which of the following is a possible reason for the decline?

Revolt · Accepted Answer

a decrease in the available water

Question 6

Secondary succession can only occur as a transition from primary succession.

Revolt · Accepted Answer

F

Question 7

Which of the following would be considered a limited resource in the lower depths of the ocean?

Revolt · Accepted Answer

sunlight

Question 8

What types of organisms will be affected by a decreased supply of water in an ecosystem?

Revolt · Accepted Answer

Producers, consumers, and decomposers will be affected.

Question 9

Suppose a group of bobcats that normally live and hunt in the tops of mountains, start hunting prey at the base of the mountain and move into the valley below. Which of the following will most likely happen to the prey in the valley?

Revolt · Accepted Answer

Their numbers will soon decrease.

Question 10

Pioneer species survive by living on rocks and minerals.

Revolt · Accepted Answer

T

Systems of the Biosphere Answers

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