Theory - a well supported testable explanation, Fossil - remains of ancient organisms, Evolution - process of genetic change over time, Natural Selection - An organism's qualities making it better suited to survive and reproduce, Homologous Structure - Same structure from common ancestor, but different function, Analogous Structure - Different structure, same function, Vestigial Structure - Structures that no longer serve a purpose , Population - all the organisms of the same species living within a particular area, Allele Frequency - how often an allele occurs within a population., Types of Reproductive Isolation - Behavioral, Temporal, and Geograhic, Behavioral Isolation - Individuals cannot mate due to courtship rituals, communication, etc., Geographic Isolation - Individuals cannot mate due to physical barriers, Temporal Isolation - Individuals cannot mate due to timing of reproduction, Mutation - Change in DNA, which sometimes codes for a better protein, Coevolution - Two species evolve together, often becoming codependent, Microevolution - small scale genetic change, Macroevolution - large scale genetic change over long periods of time, Speciation - isolation of two populations and genetic change sufficient to lead to two separate species, Gradualism - Mechanism for evolution that shows slow, steady change, Punctuated Equilibrium - Mechanism for evolution showing periods of stability followed by rapid change,

Evolution Terminology

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