When organisms change their location to escape from harsh environment, it is called
Hibernation
Vernalisation
migration
aestivation
As we learnt
In case of stressful environmental condition -
Some species have evolved the ability to regulate, but only over a limited range of environmental conditions, beyond which they simply conform.
- wherein
If the stressful external conditions are localised or remain only for a short duration, the organism has two other alternatives. Migrate and Suspend