sunlight photosystem photosystem os ATP ATP NADP ADP NADPH NAD- NADH ATP pyruvate glucose ATP chloroplast mitochondria Krebs glycolysis 02 CO2 H2O electron Calvin cycle cycle transport chain​

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