Skip to Main Content
It looks like you're using Internet Explorer 11 or older. This website works best with modern browsers such as the latest versions of Chrome, Firefox, Safari, and Edge. If you continue with this browser, you may see unexpected results.

TVHS LIBRARY: Biology

Databases to use for Biology

Gale Password from home:  twinvalley

Interspecific Interactions

Predation

 

Plant Defenses

Animal Defenses

Symbiotic Relationships

Parasitism

Mutualism

Commensalism

Images of Cells in Mitosis to Download

Keystone Biology Practice Quizzes

Biology Tutorials

The following list is a collection of weblinks from various PDE resources and neighboring school districts.