I think the answer would be
A) to transport water and food
The wrinkles signify that the brain is compressed which makes it take up less space in your head which makes it more eficent I guess.
Answer:
"The ciliary body is a circular structure that is an extension of the iris, the colored part of the eye."
Explanation:
I'm almost 100% it is the first option
Answer: The flow of individuals in and out of a population introduces new alleles and increases genetic variation within that population. Mutations are changes to an organism’s DNA that create diversity within a population by introducing new alleles.
Explanation: