Answer:
The correct answer is - protein.
Step-by-step explanation:
Lions eat various kinds of prey like deer, zebra, wildebeest, buffalo, elephant, and many more. They depend on the flesh or meat of these animals for their nutrition and energy.
Lion gets a high amount of protein from these prey as meat contains protein and fat, however, the primary source of energy in a lion is from the biomolecule.
Thus, the correct answer is - protein.