MBL March Madness: Ecdysozoan Division

Ecdysozoans are the largest group within the animal kingdom and comprises arthropods (insects, spiders, and crustaceans), as well as nematodes such as roundworms. All organisms in the Ecdysozoan superphylum have an exoskeleton and shed or molt that cuticle layer in order to grow. Unlike the animals in the Deuterostome Division, organisms within Ecdysozoa all develop