A rapid decline of amphibian populations has been observed worldwide.Which of the following could not be a reasonable hypothesis to explain this decline?
A) A fungal disease
B) Increased exposure to ultraviolet radiation
C) Exposure to agricultural chemicals
D) Exposure to atrazine
E) Deaths from natural causes

Question

Quizplus · Accepted Answer

The hypothesis that deaths from natural causes could not reasonably explain the rapid decline of amphibian populations because this decline is observed worldwide and would not be expected to affect multiple species in multiple locations simultaneously.

A Rapid Decline of Amphibian Populations Has Been Observed Worldwide