Treehut
Suzy's World: Skeleton
Use this site to find out what a skeleton is with this quick fact sheet.
The Franklin Institute
The Franklin Institute: Living Things Families
What do centipedes and crabs have in common? What's so special about a backbone? Check this site out from The Franklin Institute if you are interested in biology and classification.
Quia
Quia: Animal Classification
Use this website to test your knowledge of which animals belong to which groups.
Quia
Quia: Animal Classifications
An interactive matching game from Quia dealing with animal classifications.
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