Organelle that converts sugars into chemical energy to power the cell is the

protist eukaryotes that are not plants, animals, or fungi ("misfits")

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