It is mined for minerals (salt, sand, gravel, and some manganese, copper, nickel, iron, and cobaltcan be found in the deep sea) and drilled for crude oil. The ocean plays a critical role in removing carbon from the atmosphere and providing oxygen.
http://marinebio.org/oceans/ocean-resources/
High energy electrons are highly reactive (Their energy can be used to make NADPH & ATP.)
Answer:
It's the lowest level of biological organization that can survive and reproduce as long as appropriate conditions are achieved.
Explanation:
Undergo differentiation
become stem cells
turn on all of the genes found in the nucleus
some cells can undergo cell division
