evolution Flashcards

1
Q

define evolution

A

change over time in one or more inherited traits found in a population of organisms

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2
Q

what are the 5 mechanisms of evolution

A
  1. natural selection
  2. gene flow
  3. genetic drift
  4. mutations
  5. non-random mating
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3
Q

define mechanisms of evolution

A

Modes by which a gene pool changes its allele frequency

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4
Q

define natural selection

A

The process by which a species becomes better adapted to its environment

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5
Q

define gene flow

A

Movement of alleles into or out of a population

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6
Q

define genetic drift

A

The change in allele frequencies as a result of a chance process

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7
Q

define mutations

A

permanent structural alteration in DNA sequence

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