Match the definition

Carbohydrates
Lipids
Proteins
Nucleic acids
Never used for energy
First energy source for organism
Secondary energy source for organisms.Storage form of energy
Usually not used for energy. However, if the organism is not getting enough, energy from other nutrients they are used for energy

Carbohydrates - First energy source for organism

Lipids - Secondary energy source for organisms. Storage form of energy
Proteins - Usually not used for energy. However, if the organism is not getting enough, energy from other nutrients they are used for energy
Nucleic acids - Never used for energy