Question

How do aquatic plants and animals survive in arctic tundra?

Answer 1

because there is more water there.

Answer 2

Plants and animals living in the Tundra must be able to adapt to extreme cold, brisk winds, very short growing seasons and the rather harsh conditions found in this Biome. ... Most animal and plant life in this biome have insulation in the way of hair, fuzz, fur or feathers.