A keystonspecies is
A) a single dominant species.
B) in control of the prey species.
C) exemplified by the sea star.
D) a single dominant species and is exemplified by the sea star.
E) a single dominant species, exemplified by the sea star, and in control of the prey species.
Correct Answer:
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Q48: In a natural community, thprimary consumers are
A)herbivores.
B)carnivores.
C)scavengers.
D)decomposers.
E)all
Q49: Populations arhelin check by
A)resource partition.
B)predation.
C)social parasitism.
D)competition.
E)all of
Q50: Exotic species that arintroduceinto a non-nativhabitat usually
A)interbreed
Q51: Many introducespecies havhadeleterious effects on communities anecosystems
Q51: Secondary succession can occur
A) after a fire.
B)
Q52: Endemic means a species
A)evolved in one geographic
Q54: Which of thfollowing combinations of organisms coulbexpecteto
Q55: Which of thfollowing statements is FALSE?
A)Succession is
Q57: Which is NOT an examplof coevolution?
A)insect and
Q58: Secondary succession is likely to occur in
A)a
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