Which of these is a courting behavior that can increase a male's probability of reproductive success? a
A group of birds flies to a new location with more food resources.
b
A male gorilla displays strength and vocalizations to females.
c
A chimpanzee learns to use a tool by watching another chimpanzee

Some species of hummingbirds have different shapes of beaks that evolved to allow them to drink from certain flowers. the flower species have evolved to produce nectar that is tasty for the hummingbirds. this example is a type of . cuckoos lay eggs in the nests of other birds. the cuckoo lays eggs identical to the eggs of the host species, so the other bird takes care of it. this is an example of .