the type of place that a particular animal usually lives in
habitat
the situation in which a person or animal is kept somewhere and is not allowed to leave
captivity
relating to the health of the mind, or illnesses of the mind
mental
to change something slightly in order to make it better
adjust
to leave someone when you should stay with them and look after them
abandon
very dirty
filthy
an absence or too little of something important
deprivation
the condition of being alone, especially when this makes you feel unhappy
isolation
(of some animals) to spend the winter sleeping
hibernate