The extinction of the dinosaurs probably influenced the

A. adaptive radiation of mammals.
B. coevolution of flowering plants and insects.
C. evolution of feathers.
D. extinction of most marine organisms.

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

What type of appendages do sponges cnidarians roundworms annelids mollusks arthropods echinoderms and vertebrate have? jointed, not jointed, absent  

All ova contain sex chromosomes corresponding to: x y xx xy