Adaptation 2/3 Flashcards

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1
Q

co-evolution

A

where 2 or more species affect each others evolution e.g. the change in morphology of a plant may affect the morphology of herbivores

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2
Q

Co-evolution and close relationships

A
  • mutualistic
  • competitive
  • predator prey
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3
Q

commensalism (only one party benefitted) means

A

co-evolution is unlikely to happen

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4
Q

mullerian mimics

A

a form of mimicry in which two or more unpalatable animals develop similar appearance as a shared protective device

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5
Q

in mullein mimics the more abundant species is the

A

model

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6
Q

2 step to co-evolution

A
  • macroevolution: causes major mutation and phenotypic change
  • microevolution- which refines mimicry
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7
Q

bateson mimicry

A

mimicry in which an edible animal is protected by its resemblance to one avoided by predators

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8
Q

bateson mimicry may not involve

A

co-evolution

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9
Q

arms race

A

innovations for one species leads to counter innovation in another species

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10
Q

red queen hypothesis

A

biotic and abiotic world is changing all of the time, shifting adaptive peaks. life is a permanent arms race (one species success means decline for another)

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11
Q

adaptive radiation

A

founder species diversifies to occupy available niches

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12
Q

empty niches lack

A

competition and have plenty of food

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13
Q

ecological release

A

species expands into its new habitat where there is little competition for resources and many resources

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14
Q

CIHLID and adaptive radiation

A

a single species in lake Malawi has diversified
e.g. bottom feeds, surface feeders, insect predators etc

-now 1,000 species of CIHLID in the lake

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15
Q

homologous structures are evidence of

A

radiation

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16
Q

analogous structures are evidence of

A

convergent radiation

17
Q

evolutionary capacitance

A

living systems have the ability to accumulate genetic variation that has no phenotypic affect until the system is disturbed–> rapid phenotypic change in a pop. therefore rapid adaptation to new conditions

18
Q

convergent evolution

A

process whereby organisms not closely related, independently evolve similar traits because of having to adapt to similar environments or niches

19
Q

marsupials and convergent evolution

A

marsupials and mammals can have v similar adaptations

20
Q

african euphorbias and convergent evolution

A

has similar appearance and adaptions to the N.American cacti

21
Q

evolutionary relay

A

independent species acquire similar characteristics through evolution in similar ecosystems.. just at DIFFERENT times

22
Q

parallel evolution

A

independent species acquire same characteristics at SAME time in same ecosystem

23
Q

independent species acquire same characteristics at same time in same ecosystem

A

parallel evolution

24
Q

independent species acquire similar characteristics through evolution in similar ecosystems.. just at different times

A

evolutionary relay

25
Q

opposite of evolutionary relay

A

parallel relay

26
Q

process whereby organisms not closely related, independently evolve similar traits because of having to adapt to similar environments or niches

A

convergent evolution

27
Q

living systems have the ability to accumulate genetic variation that has no phenotypic affect until the system is disturbed–> rapid phenotypic change in a pop. therefore rapid adaptation to new conditions

A

evolutionary capacitance

28
Q

evidence of homologous structures

A

radiation

29
Q

evidence of analogous structures

A

convergent radiation

30
Q

founder species diversifies to occupy available niches

A

adaptive radiation

31
Q

innovations for one species leads to counter innovation in another species

A

arms race

32
Q

mimicry in which an edible animal is protected by its resemblance to one avoided by predators

A

bateson mimicry

33
Q

a form of mimicry in which two or more unpalatable animals develop similar appearance as a shared protective device

A

mullarian mimicry

34
Q

where 2 or more species affect each others evolution e.g. the change in morphology of a plant may affect the morphology of herbivores

A

co-evolution