All wild birds of the same species sing the same song. how do the birds learn their species song?

What are some things that limit population growth?

Drag each tile to the correct box. arrange the layers and faults from oldest to youngest.

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