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Chapter 22 Key Terms
Bio 311D - Zhao
6
Biology
Undergraduate 3
09/25/2011

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Term
Evolution
Definition
the change in genetic composition of a population from generation to generation, another word for descent with modification
Term
Fossils
Definition
remains or traces of organisms from the past
Term
Descent with modification
Definition
the change in genetic composition of a population from generation to generation, another word for evolution
Term
Artificial selection
Definition
the selective breeding of domesticated organisms to get desirable traits
Term
Homology
Definition
similarity in characteristics in oganisms in separate species resulting from a shared ancestry
Term
Vestigial organs
Definition
remnants of structures that once was very important to the organism's ancestors
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