A relationship between two organisms of different species and both species benefit.

Cells tend to have a relatively small and uniform size. why aren’t cells larger?

20. in humans, freckles are dominant to no freckles. trey has no freckles and his wife anna grace has freckles, but her dad doesn't. they want to know what percentage of their kids would look like trey. show a punnett square to support your answer.

Witch theory suggests all living things are made up of cell or cells