Which of the following is an example of how an organism responds to an external factor?

Responses

Searching for food in response to low blood sugar
Searching for food in response to low blood sugar, EndFragment,

Hibernating to save energy during colder months

StartFragment, Hibernating to save energy during colder months,

Sweating to cool off as body temperature increases
Sweating to cool off as body temperature increases, EndFragment,

Producing enzymes to control a bacterial infection

Searching for food in response to low blood sugar