Organisms

Nucleic Acids

Cell

Prokaryotes

Photosynthesis

Aerobic Metabolism

Anaerobic Metabolism

Organelles

Nucleus

Endosymbiosis

Cellular Specialization

Genome

Binomial

Phylogenetic Trees

Bacteria

Archaea

Eukaryotes

Model Systems

Natural History

Quantify

Hypotheses

Data

Controlled experiment

Comparative experiment

Variable

Null Hypothesis