Question

populations of organisms that exhibit a high degree of variation have a greater chance for survival than populations of organisms that show little variation. this statement is
always true
usually true
rarely true
never true

Explanation:

According to the theory of evolution, genetic variation provides the raw material for natural selection. Populations with high variation are more likely to have individuals with traits that are advantageous in changing environments, increasing the chance of survival. However, in some stable environments, low - variation populations might also survive. So the statement is generally true.

Answer:

B. generally true