AP BIOLOGY

Detailed explanation-1: -Whales are able to survive in deep or freezing polar water because of a layer of fat, called blubber, covering their entire body underneath the skin. Blubber is much thicker than the fat found in other mammals.

Detailed explanation-2: -Shortened ears and thick, white fur are among the physical traits that arctic hares have adapted to survive in the harsh, frozen tundra.

Detailed explanation-3: -Tropical rainforests support the greatest diversity of living organisms on Earth. Although they cover less than 2 percent of Earth’s surface, rainforests house more than 50 percent of all plants and animals found on land.

Detailed explanation-4: -Light-colored rabbits absorb more heat and stay warmer in the winter than the dark-colored rabbits.

Detailed explanation-5: -A simple way to organize biomes is by their climate (temperature and precipitation).