| A | B |
|---|
| Evolution | Change over time |
| Natural Selection | Survival of the fittest |
| Adaptation | Any characteristic that makes an individual better able to survive and secure resources |
| Genetic | Trait carried through chromosomes |
| Competition | To compete for resources |
| Evole | To change |
| Scientific Theory | Explanations based on many observations |
| Homologous Structures | Structures that are similar |
| Comparative Embryology | Comparing embryos of very differnt organisms at early stages of development |
| Fossil | Remains of ancient life |
| Vestigial structure | Useless structures on an organism leftover from an ancestor that used them |
| Overproduction | When more individuls are born than can possibly survive in an area |
| Variation | Traits that make an individual different from others of their species |
| Adaptive Radiation | When a group of animals quickly expands to fill many niches at once |
| Ancestor | Past generations in your lineage |
| Niche' | A job in an environment ex. predator, scavenger |
| Species | A group of organisms that can breed and produce viable offspring |
| Speciation | When one species becomes many new speces due to available niches |
