What is the energetic relationship between an organism and its surroundings?

Which are forms of nitrogen that are usable by humans

This is one form of rna that transports a specific amino acid to a ribosome during protein synthesis.

Which represents the cross between parent plants if one is heterozygous for yellow-colored pods and the other is homozygous for green-colored pods? yy  ´    ´    ´    ´  yy