The keystone species in a Pacific Northwest

Old Growth Forest



a. is the Spotted owl, that preys on rodents.
b. are the mice that feed on mushrooms and
truffles.
c. are the Douglas fir trees that are dominant
species.
d. are the Douglas squirrels that spread the
seeds of the Douglas fir.
e. are the piliated woodpeckers that nest in
Douglas fir


A

Biology & Microbiology

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