Genetic variation is when there are many offspring with different genetics, therefore some offspring might be able to adapt due to its genetics
Yes.
Both of them have vacuoles but the diffrences are-
plants have a cell wall and chlorophyll. <span />
By looking at them with the microscope and analyzing it and then use the zoom and zoom it in more to get a better view of the molecules
An atom that has gained or lost electrons is called an ion