Cell structure and the history of cell biology

What the theory that the sun goes around earth was replaced with the theory that earth goes around the sun this was an exaple of a

Give two examples of what would occur if one of the pairs did not match or had an extra chromosomes. explain how this might occur, and if it would be dangerous to the individual. fast.

In what locations does this text suggest you might find zooflagellates living? fresh water lakes on the surface of leaves inside other organisms on damp forest floors