Two Species of Beetles Have Partially Overlapping Distributions,with the Range

Multiple Choice

Two species of beetles have partially overlapping distributions,with the range of species A extending farther north and the range of species B extending farther south.The distribution of species B is limited mainly by cold temperatures,while that of species A is limited mainly by competition from species B.Given these parameters,the distribution of species _______ would most likely move farther _______ if the other species went extinct.

A) A;north
B) A;south
C) B;north
D) B;south
E) Neither species could adjust its range if the other went extinct.