A community of men dedicated to living a holy life of prayer and manual labor is an accurate description of a monastery. The correct option among all the options that are given in the question is the last option or option "D". I hope that this is the answer you were looking for and hope that it comes to your help.
1) Hunting: People can over-hunt a species killing too many of them too fast.
2) Global warming: A place can get to hot for them to survive their anymore like coral reefs for example.
3) Destruction of habitats: This can leave animals defenseless and open to attack.
