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 .

Residential construction is expanding in florida, the expansion has caused fragmentation of habitats, one of the results of the increased construction is a decrease in the number of large predators such as the coyote, black bear and pool panther, which will be the most immediate local result of this fragmentation? 1)large predators will become extinct 2)decrease in middle sized predators 3)increase in population of top carnivores 4)increase in population of prey species