By dividing the mass and density, you get volume
Answer: microorganisms
Explanation: No animal has the ability to digest cellulose directly.
Most animals such as horses and termites cannot directly digest cellulose. The animals have a symbiotic relationship with bacteria in the intestinal tract. The symbiotic bacteria acts on the cellulose and secrets the necessary enzymes (cellulase) to digest cellulose in the intestinal tract. An example of such microorganism in a symbiotic relationship with animals that facilitates the digestion of cellulose is Trichonympha
For the first animal: 250x1000=250000 mg
for the second animal: 330x1000=330000 mg
to find the difference: 330000-250000=80000 mg (which is your final answer)
Copying of information in DNA is also known as DNA replication.
Not sure if that's what you're looking for so lmk.
Glucose can be produced with above reaction.