Why does an increase in a species population allow for more variation?

Im inn a ! what"s the answer which of the following is one way creativity can scientists? by ensuring they follow the scientific method by increasing the amount of time it takes to complete scientific experiments by making sure they only try things that have already been proven by leading them to ask more questions about the natural world

How do living things obtain phosphorus

What substance acts to prevent sudden ph changes in bodily fluids?