There are three genes, each responsible for making one of the enzymes needed to break down lactose. true or false

answer; /// i believe the name your looking for is called (plaque)or check good luck

because the light is a great source of energy for the plants to survive. (i hope this )

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