So much has to be crammed into today's biology courses that basic information on animal groups and their evolutionary origins is often left out. This is particularly true for the invertebrates. The ...

A survey of the phyla of invertebrate animals. Discussions include their physiology, development, morphology, behavior, ecology and adaptations. Corequisite: 81.308 ...

The invertebrate zoology collections at the Smithsonian's National Museum of Natural History. Natural history museums and collections are libraries of life that catalog the planet's diversity ...