Question Detail

ZOO 102 Animal Distribution and Biodiversity Conservation in Nigeria Objective Question

Question

How did past ice ages primarily affect the geographic distribution of animal species?
Options
A By increasing species richness in polar regions
B By permanently merging all global biomes
C By forcing species to shift or fragment their ranges
Correct Answer
D By eliminating the need for physiological heat tolerance
Correct Answer

Option C is the correct answer.

Detailed Explanation

Ice ages created harsh conditions that forced populations to move to refugia or become fragmented. It certainly did not increase richness in polar regions where ice was expanding.

Hint

Think about how extreme cold would force animals to move or be cut off.

Question Info