Lab: Ecological Succession

Question 1

Which factors involving the activities of people are a threat to biodiversity?

Revolt · Accepted Answer

poaching and habitat loss

Question 2

Which of the following could result in the extinction of a species?

Revolt · Accepted Answer

adding a new species to the habitat

Question 3

How does a whale fall community affect ocean sediment?

Revolt · Accepted Answer

The decomposition of the whale enriches the sediment.

Question 4

In one species of bird, there are three varieties of feather color. What is this an example of?

Revolt · Accepted Answer

genetic diversity

Question 5

Which is one event that may lead to Primary succession?

Revolt · Accepted Answer

volcanic eruption

Question 6

Which disturbance would result in primary succession?

Revolt · Accepted Answer

the formation of Surtsey, a volcanic island off of the southern coast of Iceland

Question 7

What is the role of a pioneer species in primary succession?

Revolt · Accepted Answer

to produce the soil

Question 8

The diagram below shows the stages of succession in a forest ecosystem. Which area shows the climax community of secondary succession?

Revolt · Accepted Answer

D

Question 9

Rhinoceroses are being poached at a rate of two or three a week in Africa and Asia. Which type of diversity is being lost as the population of rhinoceroses becomes very small?

Revolt · Accepted Answer

genetic diversity

Question 10

Which factor can cause secondary succession?

Revolt · Accepted Answer

clear cutting

Lab: Ecological Succession Answers

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