Evolution

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Last updated 9:15 PM on 5/11/23
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14 Terms

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Cladogram
________- Diagram that shows evolutionary relationships among groups.
2
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Cladistics
________- A type of evaluation in which you examine the traits of organisms that are considered newer traits that serve some kind of purpose.
3
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Ingroup
________- A group of organisms separated from the outgroup by their derived traits.
4
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Phylogeny
________- The study of evolutionary relationships.
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Mammalian ears
________ are more sensitive to sound than reptiles because the malleus and incus amplify sounds.
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Cladograms
________ are based on phylogeny.
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Homologous Structure
Organisms with similar physical traits and that share a common ancestors, but the traits are used in different ways
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Analogous structure
Physical traits among different organisms that have similar functions but different structures
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Vestigial structure
A trait inherited from an ancestor but the trait is now less elaborate and functional
10
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Cladogram
Diagram that shows evolutionary relationships among groups
11
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Phylogeny
The study of evolutionary relationships
12
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Cladistics
A type of evaluation in which you examine the traits of organisms that are considered newer traits that serve some kind of purpose
13
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Derived characteristics
Newer traits that serve some kind of purpose and appear in later organisms but no earlier ones
14
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Ingroup
A group of organisms separated from the outgroup by their derived traits