Answer: The role of an organism in the ecosystem is called its NICHE.
Explanation: The niche (pronounced 'neesh') of an organism is the specific function and purpose of the organism within its environment, ecosystem or food-web or food-chain.
C) A phosphate is removed by hydrolysis from an ATP molecule.
* ATP contains Adenine, Ribose sugar, and triphosphate group that contains 3 phosphates. When the third phosphate is broken, it is converted to ADP + P releasing a lot of energy.
