Ecology 102

Question 1

What determines the carrying capacity of an ecosystem?

Revolt · Accepted Answer

the amount of available resources

Question 2

Sunlight can be considered a food resource.

Revolt · Accepted Answer

T

Question 3

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 4

What types of organisms would you expect to see in an area that recently experienced a volcanic eruption?

Revolt · Accepted Answer

mosses and algae

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

Which of the following is not an example of an abiotic factor?

Revolt · Accepted Answer

plants

Question 7

Which of the following does not occur in an aquatic ecosystem as a result of nutrient loading?

Revolt · Accepted Answer

improved water habitats for human recreation

Question 8

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

Revolt · Accepted Answer

F

Question 9

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 10

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

Revolt · Accepted Answer

pioneer species, soil formation, plant growth

Ecology 102 Answers