i belive it is b correct me if im wrong
Answer: 1975
Explanation:
That was when they got fully communized.
<span>It is Pythagoras who introduced his famous theorem named pathagorian theorem</span>
Yes, studying how mayfly population affects the number of trout in a stream is ecology.
Ecology seeks to unveil how different organism relate with one another as well as their environment.
Ecology is basically the study of distribution,abundance and relation of organisms and their interaction with their environment.