Question: a researcher examined the fitness of a trait in a...

A researcher examined the fitness of a trait in a population and plotted the data above. Which of the following is a valid conclusion that can be drawn from these data?

Select one:

a. Trait value B is the optimal trait value

b. Fitness is frequency-dependent

c. Disruptive selection is acting on trait value C

d. Kin selection explains why the fitness of trait value A is lower than the fitness of trait value C

e. Trait value C will increase in the population