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Evidence of Evolution (Vocabulary (Theory of Evolution (describes how…
Evidence of Evolution
Vocabulary
Theory of Evolution
describes how organisms change over time as a result of changes in heritable physical or behavioral traits
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Microevolution
describes species changing in small ways, such as a population changing color or size over the course of generations
Macroevolution
given enough time and accumulated changes, natural selection can create an entirely new species
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DNA
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Molecular clocks
used to determine how closely two species are related by calculating the number of differences between the species' DNA sequences or amino acid sequences
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Vestigial structures
structures that are no longer used but may have been used by their ancestors ex: appendix in the hum
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Adaptive radiation
This is the process by which a single species evolves into many new species to fill available niches
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