Biology Test Chapter 1
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14 terms
Terms | Definitions |
|---|---|
 biotic | the living organisms in an ecosystem |
| abiotic | nonliving, physical features of the environment, including air, water, sunlight, soil, temperature, and climate |
| ecosystems | All the living and non-living things that interect in an area. |
| prokaryotic cells | a simple cell that lacks organelles and no enclosed membrane |
| eukaryotic cell | cell with a nucleus (surrounded by its own membrane) and other internal organelles |
| Three Domains | Bacteria, Archaea, Eukarya |
| gene | the units of inheritance that transmit information from parent to offspring |
| biosphere | part of Earth in which life exists including land, water, and air or atmosphere. The global ecosystem |
| natrual selection | the theory that organisms better suited to their environment are more likely to survive |
| evolution | The gradual change in a species over time. |
| adapation | inherited characteristic that increases an organism's chance of survival |
| artificial selection | selective breeding of plants and animals by humans |
| Hypothesis | an educated guess |
| Three Kingdoms | Plantae, Fungi, and Animalia |
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