Answer:
Dogs smell a lot better than humans, because they have more complex nose structures that allow them to follow any scent
Answer:
A plasmid is a small, often circular DNA molecule found in bacteria and other cells. Plasmids are separate from the bacterial chromosome and replicate independently of it.
Plants are NOT heterotrophs. Heterotrophs are organisms that cannot produce their own food; generally these are animals.
Secretion helps in moistening the food, making it easier to swallow and preventing oral infections.
Replicates it's DNA, making two copies of each chromosome, an that will be called sister chromatids.