PBS
Pbs Teachers: Scientific American: Wild Places: Identifying Species
Sort and classify insects and spiders by characteristics, using stamps from the United States postal stamp Classic Collection. Create a taxonomic key to distinguish between any four animals.
ClassFlow
Class Flow: Animal Classification
[Free Registration/Login Required] Students will classify organisms into groups and relate how they determined the groups with how and why scientists use classification. They will also demonstrate how animals are sorted into groups...