Handout
The Franklin Institute

The Franklin Institute: Living Things Families

For Students 9th - 10th
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.
Handout
Other

The Domains and Kingdoms of Life

For Students 9th - 10th
This site is a description of the history behind the 5 Kingdom system suggested by Robert Whittaker. An extensive list of resources is included.