There are several mechanisms through which reproductive isolation . Which situation is an example of behavioral isolation ?

Me with biology endocrine system crossword also image left i need with hw

Asquirrel population lives in an area. over many years, a river in that area grows wider and stronger, eventually forming a canyon. the squirrel populations on the two sides of the canyon can no longer mate with each other and ultimately form distinct species. this is an example of

Which of the following is required of a new drug?me