What is briefly ideas the word community ?​

A community can be defined as the populations of different species living togather in a place ata same time and interacted with one another.

Explanation:

A forest is a community in which populations of different trees, herbs, insects, animals and invertebrates etc. are living in same place at a same time. All these species are interacting with one another in a community.

then that particular organisms become extinct.

answer; /// i believe the correct answer is (thrombocytopenia); (a)