All sites in this category are geared toward children ages 3-18 and provide information or activities related to biology, the study of life.
All sites submitted to this category should be geared toward children between the ages of 3-18.

No site is guaranteed placement in the Open Directory. Any site still under construction, submitted to multiple inappropriate categories, using multiple URLs for multiple submissions, or consisting primarily of affiliate links to products will be deleted.

For sites about the proposed events and mechanisms which lead to the formation of living organisms, and about the remnants of those early life forms which are still living today, like stromatolites.