Starfish, with anywhere from five to eight arms, have a strong regenerative ability, and if one arm is lost it quickly replaces it, sometimes by the animal overcompensating and growing an extra one or two.
A one arm is lost it quickly replaces it, sometimes by the animal overcompensating and B one arm is lost it is quickly replaced, with the animal sometimes overcompensating and C they lose one arm they quickly replace it, sometimes by the animal overcompensating, D they lose one arm they are quickly replaced, with the animal sometimes overcompensating, E they lose one arm it is quickly replaced, sometimes with the animal overcompensating,