What would likely cause an inscription on a marble gravestone to become more difficult to read over time?

Groups of organisms with low biotic potential, such as gray whales, that produce at most one offspring every other year a) are r-selected b) are k-selected c) are not subject to density-dependent limiting factors d) show the initial stages of the extinction process e) have escaped from the processes of natural selection and adaptation

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

Building glycogen from glucose molecules is an example of what