Evidences of evolution

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12 Terms

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Evolution
the change in inherited traits over successive generations in population of organisms.
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Fossil Records
are traces of organisms that lives int he past and were preserved by natural process or catastrophic events.
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Two types of Fossils
Imprints; shallow external molds left by animal or plants.
Compressions; animal or plant tissues preserved in sedimentary and it performed with more organic material.
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Relative dating
the age of rock is compared to the other rock layers.
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Radiometric dating
a method used to determine the age of radioactive isotopes of carbon.
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Comparative anatomy
the study of anatomical features of animals of different species
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Homologous structure
different functions but are of the same origin.
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analogous structure
same function but are different origins.
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Vestigial structures
body parts that are useless or left over from.
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Embryonic development
the portions of the life cycle that begins just after fertilization
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genetic informations
small mutations or changes in the DNA
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Embryonic Development
the portion of the life cycle that begins just after fertilization.