2. There are four major classes of biomolecules.
Into which class do most enzymes fit?

Identify the main component f natural gas

Based on the data in your tables, did the light-colored moths have a higher or lower survival rate after the industrial revolution?

How can a geological time scale best be reconstructed? a) comparing vestigial structures in living species b) comparing homologous structures in living species c) examining homologous structures in fossil remains d) examining the written records of scientists from past cultures