Educator Guide: No Body Is No Problem for Detached Sea Slug Heads

The detached head of a sea slug (Elysia cf. marginata) glides by its still-living, leaf-shaped body a day after separation. That body, 80 percent of the animal’s weight, is out of luck. It’s the head that survives, growing a new body.
S. Mitoh
About this guide
In this guide, students will explore animal regeneration, discuss why scientists are interested in the process and use what they’ve learned to narrate a Science News video about regenerating sea slugs.
This Guide Includes:
Speaking of science
Sign up if you’re interested in receiving free Science News magazines plus educator resources next school year. The Society for Science’s Science News Learning program serves nearly 5,000 public high schools across the United States and worldwide.