Answer - B
Bacteria are living cells whereas viruses are acellular and the research on them till now suggests that they are non-living organisms.
The sex linked orange locus determines whether a cat will produce eumelanin ( black or brown pigment). This gene is located on the X chromosome. The orange allele is O, and is codominant with non-orange, o.
Foxes eat other animals.
Rabbits eat all kinds of plants.
There's more plants then animals available so I'm thinking foxes has least amount of available energy
