B). It was produced from photosynthesis
If the allele frequency of a gene for brown fur is increasing from 15 to 25 percent, the population of the bears is evolving.
Explanation:
Biomolecule, also called biological molecule, any of numerous substances that are produced by cells and living organisms. Biomolecules have a wide range of sizes and structures and perform a vast array of functions. The four major types of biomolecules are carbohydrates, lipids, nucleic acids, and proteins.
