What is made up of useable amounts of metallic elements Carbonate

Silicate

A mineral

Ore

Everything that surrounds a particular organism

The two main stages of cell division are called

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