With Identical Neurons, Two Worm Species Live Very Different Lives
Two species of worms have the same set of 20 neurons that control their foregut (a digestive organ located, naturally, near the front end of the worm. The way those neurons are wired, though, completely changes their behavior. Caenorhabditis elegans eats bacteria, while its worm cousin Pristionchus pacificus, while able to subsist on bacteria, also…
