Short introduction to animals explains the important traits that all animals share and the differences between 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.

The highest category of taxonomic classification is the kingdom. This website from Palomar College presents the five kingdoms in an easy-to-read chart and discusses the Animalia and Plantae kingdoms in depth. After reading through the...

Learn about the animal kingdom including an in-depth look at body characteristics, reproduction, types of cells, ways they obtain food, and evolutionary relationships. Many illustrations and nine interactive activities are included.

[Free Registration/Login may be required to access all resource tools.] Provides an overview of the organisms living in the sea.

[Free Registration/Login may be required to access all resource tools.] Presents an overview of the major animals groups (mammals, birds, reptiles, amphibians, fish, arthropods, vertebrates, invertebrates, those having live births and...

An interactive matching game from Quia dealing with animal classifications.