quiz 2 unit b Flashcards

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1
Q

evolution history

A
  • natural selection explains how populations change over time
  • NOT INDIVIDUALS *
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2
Q

jean baptiste lamarck

A

inheritance of acquired characteristics
- was refuted

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3
Q

alfred wallace and charles darwin

A
  • theory of natural selection
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4
Q

5 principles of evolution by natural selection

A
  • mutations occur in DNA
  • mutations can give an individual selective advantage
  • natural selection can cause a change in population
  • individuals who survive leave more offspring in the population
  • time: happens over many generations
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5
Q

divergent evolution

A
  • common species gives rise to new species
  • could potentially lead to a new species
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6
Q

seperate species

A

cannot interbreed

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7
Q

rate of change hypotheses

A
  1. punctual equilibrium
  2. gradualism
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8
Q

punctual equilibrium

A

variation occurs in bursts of species but many gaps gust in the fossil record

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9
Q

gradualism

A

slow changes are seen throughout the fossil record

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10
Q

artificial selection

A

males and females are chosen to breed based on a characteristic we want

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11
Q

genetically modified organisms (GMO)

A

changing the DNA

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12
Q

fossils

A

rocks are formed when organic structures have been replaced by minerals

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13
Q

homologous structures

A

have a common ancestor but have changed slightly to perform better in their niche

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14
Q

analogous structures

A

dont have a common ancestor but look/act similarly

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15
Q

vestigial structures

A

common to an ancestor but which is no longer used i the current version of a species
ex. tailbone, wisdom teeth

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16
Q

embryological

A

we are all derived from a really old common multicellular ancestor

17
Q
  • natural selection explains how populations change over time
  • NOT INDIVIDUALS *
A

evolution history

18
Q

inheritance of acquired characteristics
- was refuted

A

jean baptiste lamarck

19
Q
  • theory of natural selection
A

alfred wallace and charles darwin

20
Q
  • mutations occur in DNA
  • mutations can give an individual selective advantage
  • natural selection can cause a change in population
  • individuals who survive leave more offspring in the population
  • time: happens over many generations
A

5 principles of evolution by natural selection

21
Q
  • common species gives rise to new species
  • could potentially lead to a new species
A

divergent evolution

22
Q

cannot interbreed

A

seperate species

23
Q
  1. punctual equilibrium
  2. gradualism
A

rate of change hypotheses

24
Q

variation occurs in bursts of species but many gaps gust in the fossil record

A

punctual equilibrium

25
Q

slow changes are seen throughout the fossil record

A

gradualism

26
Q

males and females are chosen to breed based on a characteristic we want

A

artificial selection

27
Q

changing the DNA

A

genetically modified organisms (GMO)

28
Q

rocks are formed when organic structures have been replaced by minerals

A

fossils

29
Q

have a common ancestor but have changed slightly to perform better in their niche

A

homologous structures

30
Q

dont have a common ancestor but look/act similarly

A

analogous structures

31
Q

common to an ancestor but which is no longer used i the current version of a species
ex. tailbone, wisdom teeth

A

vestigial structures

32
Q

we are all derived from a really old common multicellular ancestor

A

embryological

33
Q

niche

A

a particular role an organism plays within its community

34
Q

a particular role an organism plays within its community

A

niche