Which of the following would disappear first in an estuary was destroyed? a) shellfish b) whales c) coral reefs d) algae

Aresident is five feet tall.what is the measurements in iches

This is an active transport mechanism by which cells pump sodium and potassium ions against the concentration gradient

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