| A | B |
|---|
| one-celled life forms that live with little sunlight or oxygen | archaebacteria |
| evidence of an organism that lived long ago | fossil |
| structure that carries out some life activities such as growth or division | protocell |
| idea that living things come only from other living things | biogenesis |
| the erly idea that life can come from something nonvliving | spontaneous generation |
| the theory that explains how continents move | plate tectonics |
| natural selection | when traits that help an organism survive are passed from generation to generation |
| mimicry | is when a plant or animal blend with its surroundings |
| geographic isolation | when a PHYSICAL barrier divides a population into groups |
| divergent evolution | when two or more species become more separated over time |
| convergent evolution | when distantly related life forms develop similar traits |
