Hello
the best answer to this is c
The correct option is A.
The observation that the embryos of certain species have physical and genetical similarities in the earliest stages of embryonic development shows that individual development of an organism shows its revolutionary history and this is taken as an evidence of common ancestry. Scientists takes this observation to mean that all life on earth developed from a single ancestor.<span />
<span>DNA, cell membrane, ribosomes, and membrane-bound</span>
That would be the ribosome
Ribosomes are tiny particles that carries RNA molecules.
