Students sort animals from the symbol libraries into the Super Grouper boxes. A great book to go along with this lesson is Ruth Heller's Animals Born Alive and Well and Chicken's Aren't the Only Ones.

You might want to begin and end the computer activity with a video segment from unitedstreaming:
Stage One Science: Starting Life
http://www.unitedstreaming.com/search/assetDetail.cfm?guidAssetID=44D22D...