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Biology: Evolution > Other Questions > Flashcards

Other Questions Flashcards

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0
Q

3 Reasons for extinction

A
  1. Change in environment
  2. Disease
  3. Heredity failures
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1
Q

5 steps of natural selection

A
  1. Organisms have an over abundance of young
  2. Over abundance of young shows variation
  3. Variation leads to competition
  4. Competition> winner & loser
  5. Winner> mate> more offspring> fitter
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2
Q

4 errors that represent geological time

A
  1. Precambrian
  2. Paleozoic
  3. Mesozoic
  4. Cenozoic
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3
Q

5 methods of fossil preservation

A
  1. Unaltered preservation
  2. Replacement by minerals
  3. Molds&casts
  4. Carbon film imprint
  5. Preservation from decay
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4
Q

Charles Darwin

A

English 1830-1859 > sailed on Beagle in 1859
• origin of species
• finches
• Galápagos Islands

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Biology: Evolution (3 decks)

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