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19 terms

Ch 54 (Review)

STUDY
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trophic structure
The feeding relationships among the species in a community determine the community's __________.
large and close to mainland
According to the equilibrium model of island biogeography, species richness would be greatest on an island that is ____________.
crypto
hidden, concealed
cryptic coloration
Camouflage that makes a potential prey difficult to spot against its background.
ecto
outer
ectoparasite
A parasite that feeds on the external surface of a host.
endo
inner
endoparasite
A parasite that lives within a host.
herb
grass
vora
eat
herbivory
An interaction in which an organism eats parts of a plant or alga.
inter
between
interspecific competition
Competition for resources between individuals of two or mroe species when resources are in short supply.
mutu
reciprocal
mutualism
A symbiotic relationship in which both participants benefit.
character displacement
Two allopatric species of Galapagos finches have beaks of similar size. The observation that significant differences in beak size occur when the two species occur on the same island is an example of ________.
Batesian mimicry/cryptic coloration
A palatable (good-tasting) prey species may defent against predation by ________.
a keystone species
When one species was removed from a tide pool, the pool's species diversity was significantly reduced. The removed species was probably _______.
tertiary consumers
According to the top-down (trophic cascade) model of community control, which trophic level would you decrease if you wanted to increase the vegetation level in a community.