Based on the experimental results, which of the following is the best evolutionary explanation for the occurrence of ARD in C. elegans?
a. The ability to enter ARD provides a strong selective advantage because reproduction can occur despite periods of food scarcity
b. acquiring the genes for ARD gives individuals a selective advantage because they produce more offspring than do individuals who cannot enter ARD
c. Individuals who can enter ARD are selected for in the population because they live longer than do individuals who cannot enter ARD
d. individuals who can enter ARD have high fitness because they can reproduce even when food is scarce
Answer: A