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.

• Aone arm is lost it quickly replaces it, sometimes by the animal overcompensating and  
• Bone arm is lost it is quickly replaced, with the animal sometimes overcompensating and  
• Cthey lose one arm they quickly replace it, sometimes by the animal overcompensating,  
• Dthey lose one arm they are quickly replaced, with the animal sometimes overcompensating,  
• Ethey lose one arm it is quickly replaced, sometimes with the animal overcompensating,