invertebrates

An introduction to the main groups of invertebrate animals in nontechnical language. Designed as a textbook for a college course in invertebrate zoology.

Explores the species of animals known as "insecta," or insects, describing their physiology, behavior, and ecological roles.

An introduction to counting through a description of the physical features and habitat of animals like earthworms, jellyfish, leeches, and slugs.

Explore a world of interesting creatures in your own backyards. Understand how and why backyard bloodsuckers depend on humans and animals for survival. Learn about arthropods and weird worms.

Introduces insects and spiders from around the world, including information about where they live, what they eat, and how they grow and survive.

Examines species of animals and plants that have retained their traits throughout evolutionary history, remaining essentially unchanged for four billion years.

Information about various topics related to honeybees, caterpillars, dragonflies, snails and other insects and invertebrates forms the foundation for a variety of craft projects.

Bill Nye the Science Guy answers questions about invertebrates, and conducts an observation activity to learn about the habits of earthworms.