The biggest problem with using fossil records is the incomplete nature of the fossil record.

This is the amino acid cysteine. circle the amine group, put a box aroundthe carboxylic acid group and use a different colored pencil/pen to circle the sidechain (r group). h o | ||nh2— c- c-oh | ch2 | sh

The chemical form of energy that is useable by the cell to do work

What is the statement plant growth is affected by the color light