Course

Anatomy & Physiology

Study Pack

Set 20 Communities And Ecosystems

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Question 1

(Multiple Choice)

Free
In order to assess the species diversity of a community, you would need to know the number of different species present as well as ________.

A)the number of trophic levels in the community
B)the intensity of interspecific competition in the community
C)the fraction of these species that are plants
D)the relative abundance of the different species

Answer

Question 2

(Multiple Choice)

Free
A traveler was crossing the border from Canada to the United States and with a bag of Washington State apples. The customs officer at the border would not let the traveler take the apples into the United States, despite the apples originating from the United States. Why did the customs officer refuse to allow the traveler to cross the border with the apples?

A)Washington State apples are considered an endangered fruit.
B)There may have been a species that was not native to the United States hitching a ride on the apples.
C)Forcing the traveler to buy more apples from a store in the United States is better for the US economy.

Answer

Question 3

(Multiple Choice)

Free
Populations of two coexisting species are both tertiary consumers in a community. What relationship may exist between these two organisms?

A)predation
B)mutualism
C)competition
D)succession

Answer