Answer
1. Carbohydrates
2. Proteins
3. Lipids
4. Nucleic acids
Work Step by Step
The four terms which describe an organism's source of energy are:
1. Carbohydrates
2. Proteins
3. Lipids
4. Nucleic acids
You can help us out by revising, improving and updating this answer.
Update this answerAfter you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.