Earthworm Locomotion: Exploring Anatomy, Bristles, and Digestive System. Posted: March 13, 2025 | Last updated: July 11, 2025. The film discusses the vital role of earthworms in enriching and ...

The tough little egg made it all the way through the digestive system of a coscoroba swan like this one. TonyBaggett / iStock. Killifish eggs are known for their resilience: They’ve been found ...