2. An interactive activity on grouping living organisms- [http://web.archive.org/web/20090201153752/http://hhmi.org:80/coolscience/forkids/critters/critter1.html Group these animals]
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2. An interactive activity on grouping living organisms and getting familiar with their characteristics- [http://web.archive.org/web/20090201153752/http://hhmi.org:80/coolscience/forkids/critters/critter1.html Group these animals]