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| the 3 major subdivisions if all organisms. Bacteria, Archaea, and Eukarya. |
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| grouping of organisms into 6 different categories. Animalia, Plantae, Fungi, Archaea, Protista, and Bacteria. |
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| the branch of biology that studies organisms interacting with each other and the environment. |
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| communities of living species and their physical environments. |
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| the process in which the inherited characteristics within populations change over generations, such that genetically distinct populations and new species can develop. |
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| the theory that organisms that have certain favorable traits are better to survive and reproduce succesfully than organisms that lack these traits. |
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| traits that improve an individuals ability to survive and reproduce. |
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| learning how the natural world works. |
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| the act of perceiving a natural occurance that causes someone to pose a question. |
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| a proposed explanation for the way a particular aspect of the natural world functions. |
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| a statement that forecasts what would happen in a test situation if the hypothesis were true. |
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| used to test a hypothesis and its predictions. |
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| provides a normal standard against which the biologists can compare results to the experimental group. |
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| identical to the control group except for the independent variable. |
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| it is affected the independent variable. |
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| when a set of hypotheses is confirmed to be true many times, and it can explain a great amount of data, scientists classify it as a theory. |
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| scientists who are experts in the field anonymously read and critique a research paper. |
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