The Cell Theory developed over many years as microscope technology improved. Today, modern biologists apply this theory to better understand
how unicellular organisms function
prokaryotic and eukaryotic organisms
how viruses replicate
the chemistry of carbon compounds

What would happen if the krill were removed from the food web

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

Penelope studies how the structure and function of the nervous system is related to behavior. she is a psychologist