Biology is a big part of the science curriculum at Tualatin Valley Academy. For more information about the specifics of the biology curriculum, click on the links to the right. 



Modern Biology
Online Textbook


Plant Resources

Plant Collection Resources

Plant Collection Grade Sheet
Plant Collection Label Template for Specimens (Download this file to type in your plant specimen collection information in the form fields and print.)
List of Plant Species found in and around the woods behind our school campus.

General Plant Resources

Trees of the Pacific Northwest
CalPhotos: Plants
Plants Database 

Dendrochronology Assignment Links

The following links are in the order they appear in the above assignment.
1. A Year in the Life of a Tree
2. Talking Trees: A living diary of climate 
3. A Guide to Dendrochronology
4. Tree Rings: Ancient Chronicles of Environmental Change 
Tree Bore Study of Kettle Pond