A keystone species is
A) a predator that destroys many different species in a community.
B) a species whose removal causes major shifts in other species in a community.
C) a mimic that has the same appearance as another,poisonous species.
D) an organism that acts as a commensal in a host.
E) a prey species that must be present or the predator species will die off.
Correct Answer:
Verified
Q34: Energy enters the ecosystem as
A)cell respiration.
B)plant growth.
C)chemical
Q35: Producers in deep sea thermal vent communities
Q36: The energy storage in an animal's tissues
Q36: Which of the following is not true
Q38: We could state a biological "law" that
Q40: Ecologists have found that
A)life as we know
Q41: The organisms responsible for nutrient flow through
Q42: A species with a large geographic range
Q43: Some conditions that can limit population size
Q44: The only organisms that can do anything
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