As you grow father away from the mid ocean ridge the rock is older as you get closer the rock is younger
Glucose and oxygen!!!
CO2 + Water in the presence of sunlight results in glucose + oxygen
It's the concentration of sense organs, nervous control, etc., at the anterior end of the body, forming a head and brain, both during evolution and in the course of an embryo's development.
Explanation:
Small substances constantly pass through plasma membranes. Active transport maintains concentrations of ions and other substances needed by living cells in the face of these passive movements. Much of a cell's supply of metabolic energy may be spent maintaining these processes.
