There Are More Species in Tropical Areas Than in Places

question 2

Multiple Choice

There are more species in tropical areas than in places more distant from the equator. This is probably a result of

• A) fewer predators.
• B) more intense annual solar radiation.
• C) more frequent ecological disturbances.
• D) fewer agents of disease.
• E) fewer predators, more intense annual solar radiation, more frequent ecological disturbances, and fewer agents of disease.

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