| A | B |
|---|
| Anagenesis or Phyletic evolution | One species replaces another |
| Cladogenesis or Branching evolution | New species branches out from a parent species |
| Homologous structures | common origin but function varies |
| Analogous structures | different origins same function |
| Vestigial structures | Modern structure has a greatly reduced use. |
| Comparative biochemistry | biochemical pathways are the same, ie how glucose is broken down |
| Comparative Embrylogy | closely related organisms go through similar embryonic developmental stages. ie fetal gill pouches |
| Molecular biology | Same proteins used, same amino acid sequences |
| Biogeography | study of continental drift and geographic distribution of living things |
| Aristotle | Ladder of life with increasing complexity but no evolution |
| Carolus Linnaeus | toxonomy and the binomial nomenclature |
| Cuvier | Catastrophes changed organisms, but no evolution |
| Hutton | Geologist, theory of gradualism |
| Lyell | Folower of Hutton believed earth was older than 6,000 yrs |
| Lamarck | Inheritance of aequired characteristics though use and disuse |
| Wallace | Naturalist who also came upon the idea of natural selection |
| Darwin | credited with the theory of natural selection the driving force of evolution |
| Overpopulation, competition, unequitability of survival, best-fit, and advantageous traits accumulate are tenets of | Darwin's theory of natural selection |
| Stabilizing, diverwsifing, directional, sexual, and artificial are types of... | selection |
| Stabilizing selection | eliminates extreems. 6-8 lb babies. |
