Pat wants to measure the length of a table. she'll use a measuring tape. which units should pat use to express the length?
a)pints b)degrees c)inches d)moles

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