In three to five sentences, describe how scientists use deductive and inductive reasoning to support the idea that water on Earth may have come from comets.

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

ucd e e. rr. t t t t t t. to

if your own plato the answer is b. the fern transitioned from sporophyte generation to gametophyte generation.

a symbiotic relationship with the mitochondria