Why do animals could not withstand long exposure under the sun without water while plants can?

Eastern europe and parts of northern europe have which of the following climates?

The vegetation that thrives in the tundra is limited to a. mosses, barley, wheat, and corn. b. coniferous trees. c. dwarf shrubs, mosses, lichen, potatoes, and beans. d. mosses, lichen, algae, and dwarf shrubs.

What are the answers for the following questions?