Select the correct locations on the image identify the organ the produces sperm

What advantages does a pedigree have over a written passage?

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

Which of the following can occur to two segments of a population if they are geographically isolated 1.) they can only share some types of genes 2.)both groups most likely become extinct 3.)they find a way to come back together 4.)eventually they become separate species