Apentix/AP Biology/Unit 8: Ecology/Question
AP Biologymediummcq1 pt

A temperature-sensitive species lives only near the cool summit of a mountain. As regional temperatures rise, the suitable climate zone shifts upslope. Which outcome is most directly expected if the species cannot adapt quickly or disperse elsewhere?

A.Its suitable habitat will expand indefinitely as regional temperatures continue rising
B.Its suitable habitat can shrink, increasing the risk of population decline
C.Climate change has no effect because only precipitation determines ranges
D.Every competing species will immediately disappear from the mountain

Explanation

Core Concept

Climate change can shift the geographic location of suitable environmental conditions. Species already confined near a mountaintop can lose habitat as those conditions move upslope, especially if adaptation or dispersal cannot keep pace.

Correct Answer

BIts suitable habitat can shrink, increasing the risk of population decline

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