What is chemical composition of protein, lipids, carbohydrates and nucleic acids

Protein and nucleic acids are biomolecules rich in nitrogen. Proteins are polymers of amino acids. Amino acids have nitrogen as a component of amino group attached to the α-carbon atom. Nucleic acids contain nitrogen in the nitrogenous bases, which are components of nucleotides. Carbohydrates and lipids are made up of carbon, hydrogen, and oxygen. They lack nitrogen.

carbon

explanation:

because they are eaten by the frog and the frog getseaten by the snake and the snake by the eagle