ClassFlow
Class Flow: Vertebrates and Invertebrates
[Free Registration/Login Required] Using this lesson the students will review the 2 groups of animals - vertebrates and invertebrates. They will be actively involved in classifying animals. An Activote assessment is also included.
Mocomi & Anibrain Digital Technologies
Mocomi: Earthworm Facts and Information
Learn where earthworms live, how they are useful to the environment, and other interesting fun facts.
Saint Louis Zoo
Saint Louis Zoo: Earthworms
Discover basic facts about the earthworm, also known as the nightcrawler.
Saint Louis Zoo
Saint Louis Zoo: Medicinal Leech
Discover fun facts and learn about the medicinal uses of leeches.