Tariq watches a hummingbird hover around a petunia flower. He remembers that when two species interact with each other closely, like hummingbirds and flowers, they can affect one another's evolution. Which of these is an example of coevolution?
A. Ticks draw blood from a deer and can travel from host to host.
B. Female seahorses lay eggs and the male seahorses carry the eggs.
C. Bumblebees eat the nectar
from flowers and then spread the flower pollen
D. Mountain goats evolved hooves that spread apart and have pointed edges in front so they can climb and live on steep cliffs