It is a living because it moves it grow back parts
Vertebrates developed about 550 million years ago. The oldest vertebrate fossils are those of FISH with no jaws. These e<span>arly jawless fish did not have paired fins and their bodies were covered with heavy, bony scaled, but their skeletons were made of cartilage. For the next 50 million years, they were the only vertebrates.</span>
I think its <span>B) The number of genes in the parent body cell is double the number of genes in the daughter body cells.</span>
Is this a question or a statement?