Answer is Nucleic Acid
Reasoning - Because phosphate, sugar, nitrogenous make up the Acid !!! lol RNA is synthesis of protein. DNA is the control of genetics which is obvious.
Water is the single source as it provides the electrons by splitting into oxygen and hydrogen. This process happens during the light-dependent reactions.
There is obviously not a definite number because there are so many kinds of insects that we are not familiar with yet. However, approximate numbers mention as low as 2 million up to as high as 30 million. Scientists cannot still determine the correct number, but it is somewhere between 2 and 30 million species.
Antarctica would be the answer
