Answer:
Your hypothalamus communicates with the anterior pituitary lobe via hormones and the posterior lobe through nerve impulses. Through the stalk.
D.mutualism,both parties benefit
The statement that correctly defines coevolution is:
D: Two entirely different species affecting each other's evolution, as in predator-prey relationships.
Another example of coevolution is host-parasite relationship, which happens between totally separated species, but affects the way both of them will evolve.