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

Taiga includes a large species diversity of floura and fauna. This region is prone to extreme winter conditions. Both taiga and marine aquatic biome species adapt the adverse winter season. Plant species restrict their surface area in an attempt of  protection against freezing, called hardening. Most of the animal species they hibernate so that they do not require food in harsh winters.

the growth of the plants is affected by the heat of the light. what is the student doing?