Habitat isolation, temporal isolation, behavioral isolation, mechanical isolation, and gametic isolation are isolating mechanisms.

In natural selection, what is actually “selected? ” a) alleles are directly selected b) genotypes are directly selected c) phenotypes are directly selected d) entire populations are directly selected

What type of competition exsist between two species. turtles and fish

The fascicles of the deltoid are ; the fascicles of the pectoralis parallel; bipennate fusiform; unipennate multipennate; triangular bipennate; fusiform