Based on the graph, describe what is happening between 4 and 6 seconds. The object is moving away from the start at a constant speed.
The object is not moving.
The object is returning to the start at a constant speed.
The object is changing speed.

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