What is the process in which an individual organism adjusts to a change in its environment called?

Easy question. The answer is just about in the word

I don’t think this answer is completely correct, the change implied is the answer is only climatic change , adaptation would be to change in response to any outside ongoing event.

My acclimation abilities are bit compromised because of an underactive thyroid.

Sadly somthing we are all going become acustome to as we continue to destroy our own habitat. Many crops will not flourishe regularly due to severe climate changes.