University of California
Ucmp: Life Has a History
University of California site showcases how different types of organisms exist on the Earth and the history of life.
Biology Corner
Biology Corner: Biodiversity of Ponds
In this lesson plan site, students will observe and record data on three ponds. The goal is to identify the types of organisms in each pond and prepare a report that delves into the biodiversity of each site. Links to videos about pond...