Answer:
The correct answer is - reproductively isolated.
Explanation:
Reproductively isolated organisms are the organisms that are occurred due to the split in two or more small groups as a result of geographical isolation over a longer time period from a single large group by process of natural evolution.
In the given case of wildcats which is splits into several small groups due to geographical isolation over a long period of time these groups of wildcats become reproductively isolated.
