1. The arctic environment has temperatures that range between -22°C and 6°C with snow covering some of the area. Which adaptation would most likely help a population of organisms survive this environment?

A. Long necks and tall legs
B. Large shell and leathery skin
C. Green feathers and webbed feet
D. Light colored fur and layers of blubber

2. Variations are important in population because they can lead to _____.

A. More fossils
B. Less evolution
C. Better environments
D. New species over time

3. Which of the following behavioral adaptations is best suited for survival in an environment with harsh, extremely cold and long winters?

A. Courtship
B. Defensive behavior
C. Hibernation
D. Webbed feet

4. Physical adaptation _____.

A. are the way an organism act
B. are the way an organism behave
C. happen over a short period of time
D. are the features or characteristics of an organism's body

5. A plant has the following characteristics: short, thick stem, small, plum leaves covered by a waxy coating, roots grow close to the surface of the ground. For which environment is this plant most likely adapted?

A. Arctic tundra
B. Coniferous forest
C. Desert
D. Grassland​