A) demonstrate the widest distribution
B) represent the most highly evolved organisms
C) are buried deeper in the ground than newer forms
D) are found in Africa
E) are primitive marine vertebrates

A) ostriches
B) armadillos
C) kangaroos
D) turtles
E) sloths

A) the food supply increases faster than the population
B) The food supply limits population increase
C) the food supply and population increase at the same rate
D) artificial selection is the key to evolution
E) natural selection is the key to evolution