Fossils - Shows similarities between extinct animals and living animals, Vestigial - Examples in humans: appendix, molar teeth, tailbone and third eyelid, DNA - When comparing the ______ of one species to another, more similarities are found in species that are more closely related, Embryological - This type of development of embryos of different species develop in similar ways, Observation - Example: Bacteria become resistant to antibiotics, Darwin - Father of evolution, Gene Pool - all the genes present in a population, Allele Frequency - # of times an allele occurs in the gene pool (%), Evolution - _________ is the change in allele frequencies, Disruptive - Describes the type of selection in which the two extremes are selected, Stabilizing - The type of selection in which the average is selected, Directional - The type of selection in which one extreme selected, Drift - Genetic _____ occurs in small populations in which one allele is more common by a chance occurrence. , bottleneck - Genetic ______ is the result of a disaster that reduces the alleles, Example: Cheetah population , Founder - Butterflies move to a new location, all the orange ended up in one place would be an example of _____________ effect. , Geographic - populations are physically separated, Temporal - timing of reproduction prevents breeding,

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