Shared Flashcard Set

Details

5.1 Part 1
fossils and evolution
5
Science
7th Grade
04/02/2011

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Cards

Term
fossils
Definition
the physical remains of plants or animals preserved in rock or in the Earth's crust
Term
extinct
Definition
when all the organisms of a species die
Term
evolution
Definition
change over time
Term
theory of evolution
Definition
all the changes that take place in a group of organisms over time and over many generations because of either mutations or natural selection or both
Term
ancestor
Definition
species which share a common evolutionary relative
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