Course

Ecology

Study Pack

Set 4 Coping With Environmental Variation

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Question 1

(Multiple Choice)

Free
Among vertebrates, _______ can survive a long winter in a semi-frozen state.

A) all species of amphibians and turtles
B) all species of frogs
C) a few species of frogs, salamanders, and turtles
D) one species of frog

Answer

Question 2

(Multiple Choice)

Free
Refer to the figure.
Refer to the figure.   - The figure shows the distribution of aspen in North America and the factors that limit it. What is the most common factor limiting aspen's distribution along the western edge of its range in Canada? A) Failure to survive drought B) Failure of fruits to ripen C) Failure of flowers to survive frost D) There are no limiting factors along the western edge of the range.
- The figure shows the distribution of aspen in North America and the factors that limit it. What is the most common factor limiting aspen's distribution along the western edge of its range in Canada?

A) Failure to survive drought
B) Failure of fruits to ripen
C) Failure of flowers to survive frost
D) There are no limiting factors along the western edge of the range.

Answer

Question 3

(Multiple Choice)

Free
Refer to the figure.
Refer to the figure.    -The figure shows the distribution of aspen in North America and the factors that limit it. What is the most common factor limiting aspen's distribution near Lake Ontario? A) Failure to survive drought B) Failure of fruits to ripen C) Failure of flowers to survive frost D) There are no limiting factors on aspen near Lake Ontario.
-The figure shows the distribution of aspen in North America and the factors that limit it. What is the most common factor limiting aspen's distribution near Lake Ontario?

A) Failure to survive drought
B) Failure of fruits to ripen
C) Failure of flowers to survive frost
D) There are no limiting factors on aspen near Lake Ontario.

Answer