Can a Worm Regenerate When Cut?

💡 The Answer

• Some worms can regenerate when cut, but this depends on the type of cut and species.
• Earthworms can regrow their tails if cut widthways, but not all will survive.
• The planarian flatworm is capable of regrowing its entire body from a tiny sliver of tissue.
• Regeneration is a remarkable ability found in certain annelids and flatworms.