How does water and its ability to bond in different ways an organism?

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

What does spontaneous generation mean?

Humans have to eat food to get the nutrients that keep us alive, but plants use the sun to power photosynthesis