Estructura celular por medio de la cual se da a cabo el intercambio de sustancias en las bacterias​

i think that the best answer would be c.

tell me if im wrong : )

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

links? do you have a link? i don't see anything?