Unit 8 Evolution

Species show very little evolutionary change in the fossil record

• Stasis

• Natural Selection

• Artificial Selection

• Darwinsim

Evolution occurring gradually and slowly over long periods of time

• Homeostasis

• Stasis

• Punctuated Equilibrium

• Gradualism

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Oldest rocks and ancestors would be deeper in the ground

• Speciation

• Homologies

• Recessive Traits

• Fossil Record

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Evolution occurring quickly due to catastrophic events

• Homeostasis

• Gradualism

• Statsis

• Punctuated Equilibrim

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The idea that similar anatomy implies common ancestry

• Analogous Structures

• DNA Evidence

• Fossil Record

• Anatomical Homology

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The idea that similar DNA or Amino Acid Sequences indicate common evolutionary ancestry

• Molecular Homology

• Anatomical Homology

• Developmental Homology

• all of the above

The hypothesis that physical structures with no known purpose are leftovers from an ancestor.

• Homologous Structure

• Vestigial Structure

• Anatomical Analogy

• Developmental Homology

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Populations of organisms change over time from inherited genetic changes

• Darwin

• Evolution

• Common Ancestor

• Incomplete Dominance

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Popularized natural selection with his book On

the Origin of Species by Means of Natural Selection in 1859

after his observations sailing on the HMS Beagle.

• Curie

• Hooke

• Linnaeus

• Darwin

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Favorable genetic traits are passed on causing a survival advantage in a particular environment.

• speciation

• natural selection

• cladogram

• inherent danger

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