What is the role of oceans in the carbon cycle ?

The ocean plays an important part in the carbon cycle. Overall, the ocean is called a carbon 'sink' because it takes up more carbon from the atmosphere than it gives up. ... Photosynthesis by tiny marine plants (phytoplankton) in the sunlit surface waters turns the carbon into organic matter.

the endomembrane system i think

in a chemical reaction, the atoms and molecules produced by the reaction are called products. no new atoms are created, and no atoms are destroyed. in a chemical reaction, reactants contact each other, bonds between atoms in the reactants are broken, and atoms rearrange and form new bonds to make the products.