Answer:
A species could be a mimic if it's colors are slightly off from the creature they're trying to mimick, or, upon closer inspection, have a different body shape than the creature they're trying to mimick.
Each daughter cell would still have 16 chromosomes
One type of density change is mass over volume.
This is known as parasitism.
In biology, parasitism is a relationship between species, where one organism, the parasite, lives on or in another organism, the host, causing it some harm, and is adapted structurally to this way of life.