Question

Which adaptation would be most beneficial to mammals of both the taiga and marine aquatic biomes?

Answer 1

a thick layer of fat for insulation

Answer 2

gills

Step-by-step explanation:

Both taiga and marine aquatic biomes should regulate their body temperature. In aquatic marine biomes, fishes have gills which helps in retaining the temperature by allowing water to pass through the gills. This helps in retaining the temperature of the aquatic animals.