Name the two worst extinctions known in Earth’s history.

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

Based on the law of dominance, we would expect percent of the offspring from this cross to have large teeth.

Diagram of the evolution of land plants?