2 points 1. Polar bears hibernate in the winter. This is an example of an
that helps them survive cold arctic winters. *
a. Tolerance
b. Adaptation
C. DNA
d. Chromosome

This is the weaker allele that only shows up in an organism when two
copies are present: *
2 points

5th and the other is a great way to get

Explanation:

666uhu6u the same time as the first time in the future and the

a rain shadow is a dry region of land on the side that is protected against the prevailing winds of a mountain range. the prevailing winds are the winds that occur most of the time in a particular place of the earth

prevailing winds carry air toward the mountain range. as the air rises up over a mountain range, the air cools, water vapor condenses, and clouds form. on this side of the mountains, called the windward side, precipitation falls in the form of  rain  or snow. this dry air produces a  rain shadow.