Biology, 30.09.2019 21:00 chriscol4082
Many north american animal species migrated to the south during pleistocene ice ages and returned to the north during interglacial periods. these observations are consistent with
a. expanded physiological tolerance.
b. distribution shift and habitat tracking.
c. migration barriers.
d. range expansion by adaptation.
e. declining habitat size.
Answers: 3
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