Human, cat, whale and bat have similar forelimb bone structure with a different functions. These homologous structures show

Cell division is important to single celled organisms because it allows the cells to reproduce. through cell division, cells make exact copies of themselves. when single celled organisms go through cell division, they make exact copies of themselves which is how they reproduce.

There would be one bar shorter than the bar for peaches.

Then it is june the conclusion to the second sentence is just restating "if it is june then it is summer"