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13 Cards in this Set
- Front
- Back
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population
|
a group of organisms of the same species
that live together in one place at the same time |
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carrying capacity
|
the largest population that an environment
can support at any given time |
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predation
|
the act of one organism killing another
organism for food |
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coevolution
|
back-and-forth evolutionary adjustments
between interacting members of an ecosystem |
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parasitism
|
one organism feeds on and usually lives on
or in another larger organism |
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symbiosis
|
two or more species living together in a
close, long-term relationship |
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mutualism
|
a relationship in which both participating
species benefit |
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commensalism
|
a relationship in which one species benefits
and the other is neither harmed nor helped |
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niche
|
the unique position occupied by a species in
an ecosystem |
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fundamental niche
|
the entire range of conditions an organism
is potentially able to occupy |
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realized niche
|
the part of its fundamental niche that a
species occupies |
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competitive
exclusion |
the elimination of a competing species
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keystone species
|
critical species in an ecosystem that affects the survival of a number of other species
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