Which level of organization listed here includes every level listed? cation
red blood cell
DNA molecule.
heart
zebra

Zebra

Explanation:

It's an orgainsm, it has red blood cells, a heart, DNA molecules and cations, probably

image result for how many calories of energy will 20 grams of carbohydrates provide in one gram provides 4 calories

consuming the right balance of protein, carbohydrates and fat can you maintain a healthy weight and optimize your energy levels. protein and carbohydrates both contain 4 calories per gram, while fat provides 9 calories per gram.