Bony fishes, because their lungs and bony limbs were inherited from their lobe-finned ancestors. (Coelacanth) it makes more sense that a vertebrate animal evolved from one who already was a vertebrate.
I believe the answer for your question is a mitochondria.
I believe the correct answer from the choices listed above is the last option. Life on Earth originated from primitive bacteria. <span> It is generally agreed that all </span>life<span> today evolved by common descent from a single primitive lifeform and the lifeform from the choices is bacteria. Hope this helps.</span>
Answer:
DNA sequences.
Explanation:
DNA sequences, I believe, are the best evidence of common ancestry since they share more traits with more closely related organisms. The similarities and variances in fossils, anatomy, and embryos are all due to DNA.
