If cut into pieces, each piece can grow into a new worm. Sea cucumbers have bodies that are 6 feet long. If cut into pieces, each one will become a new sea cucumber. Sharks continually replace lost teeth. A shark may grow 24,000 teeth in a lifetime.
Spiders can regrow missing legs or parts of legs.
Sponges can be divided. In that case, the cells of the sponge will regrow and combine exactly as before. All Rights Reserved worldwide.