Biology Assessment Chapter 17 – Flashcards
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scientists who specializes in the study of fossils are called
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Paleontologist
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sedimentary rocks form when layers of small particles are compressed where
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under water
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radioactive dating of rock samples is a method of
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absolute dating
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Half life is the length of time required for half of the Atoms in a radioactive sample to
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DEcay
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earths first atmosphere container little or no
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oxygen
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in Miller and grey's experience te with the origin of life forms, electric sparks were passed through a mixture of gases to
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simulate lighting
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outlines of ancient cells that are preserved well enough to identify them as prokaryotes are
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microfossils
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which event occurred at the end of the Paleozoic Era?
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mass extinction
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the process that produces a similar appearance amount on related groups of organisms is
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convergent evolution
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as a group the large scale evolutionary changes take place over a long period of time are called
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macro evolution
