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bio106 test 1 > chapter 46 > Flashcards

chapter 46 Flashcards

1
Q

benefit / benefit

A

mutualism

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2
Q

no effect / benefit

A

commensalism

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3
Q

harm / benefit

A

parasitism

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4
Q

no effect / no effect

A

neutralism

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5
Q

harm / no effect

A

amensalism

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6
Q

harm / harm

A

competition

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7
Q

mycorrhizae

A

fungi live within and around roots of plants

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8
Q

exploitative competiton

A

compete for common resources

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9
Q

interference competition

A

physically intimidating each toher

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10
Q

batesian mimicry

A

the mimic resembles and only the mimic benefits (false mimicry)

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11
Q

mullerian mimicry

A

both mimic and model benefit

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12
Q

species richness

A

number of species in a community or area

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13
Q

primary productivity

A

amount of biomass built up (food from plants)

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14
Q

lancet fluke needs:

A

three hosts- cow, snail, ant

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15
Q

ecotones

A

transition between ecological communities/ecosystems/regions along an environmental gradient (natual boundaries to human generated)

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16
Q

gleason’s individualistic model

A

each species has its own optimal habitat range along the gradient, species may overlap and intergrade, no sharp boundaries

17
Q

clement’s holistic (organismic) model

A

species in communities cooperate, similar habitat requirements that make sharp boundaries among different communities

18
Q

fundamental niche

A

a species could occur all the type of range that might be suitable for it

19
Q

realized niche

A

species can grow but doesn’t occupy as much of its fundamental niche

20
Q

ecological niche

A

the role/position a species has in its environment (how is meets its needs for food, shelter, survival, reproduction)

21
Q

intraspecific

A

members of the same species

22
Q

interspecific

A

members of the different speciews

bio106 test 1 (1 decks)

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