Which population is most likely to be in hardy-weinberg equilibrium?
a) a large population of ocean fish that lives in an unpolluted ecosystem that has abundant food
b) a large population of prairie grasses that lives in an ecosystem that is frequently burned by wild fires
c) a medium-sized population of birds that lives on a chain of islands that have different food sources
d) a medium-sized population of bacteria that lives on crop plants that are frequently sprayed with pesticides