1. What does H. I.P. P.O. stand for? Habitat destruction, Invasive species, pollution, population Increase and over population
over production
over use
over exploitation

Human,increase population and Overharvesting

it is a learned trait

explanation:

the cladogram shown here shows similarities and differences among several classes of vertebrates. anatomically, the four have limb structure as their common ancestor. we might separate the mammals from the other three classes because they a) divergent; do not lay eggs b) identical; are warm-blooded c) varied; a four chambered heart d) homologous; have mammary glands