Why is the cell cycle important in multicellular organisms?

THINK OF IT THIS WAY IF WE HAVE NO CELLS IN USE WE DIE we need cells to live

any abiotic or biotic factor in an ecosystem that causes a population's size to slow or decrease is a limiting factor.

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