Question

commensalism
parasitic
env 6 - the harsh condition on the tundra have led many of its animal species to adapt by -
becoming migratory
becoming predators
eating insects

Explanation:

The tundra has harsh conditions like cold temperatures and limited resources. Many animals adapt by migrating to more favorable areas during certain times of the year. Becoming predators or eating insects are not the most common adaptations due to the tundra's nature. Migration helps animals find food and suitable habitats.

Answer:

becoming migratory