This shows the comparison between the size of the outside of an object and the
amount it can hold inside it. often used as an example when explaining why a cell might divide.

An easy way to calculate the amount of energy available at each level is to what?

What is the importantence of the carbon and nitretan cycles in the environment

Control of the body is accomplished by which of the following body systems? nervous system and circulatory system endocrine and repertory system circulatory and respiratory systems nervous system and endocrine systems