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Biology Sec. 2
Term | Definition |
---|---|
domains | the major subdivisions of all organisms |
kingdoms | a system of grouping that divides all life into six major categories |
ecology | the branch of biology that studies organisms interacting with each other and with the environment |
ecosystems | communities of living species and their physical environments |
evolution | descent with modification |
natural selection | the process by which individuals that are better adapted to the environment survive and reproduce more successfully than less well adapted individuals do |
adaptations | traits that improve an individuals ability to survive and reproduce |