Evidences of evolution

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Evolution

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the change in inherited traits over successive generations in population of organisms.

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Fossil Records

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are traces of organisms that lives int he past and were preserved by natural process or catastrophic events.

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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.