Howard Hughes Medical Institute
The Day the Mesozoic Died
While this is not the traditional, step-by-step lesson plan, it is chock-full of material that you can easily incorporate into your earth history unit. Its main purpose is to serve as a guide to using a three-part film, The Day the...
Curated OER
AP: Chapter 25: Phylogeny and Systematics
As a review or note taking guide, this resource wraps up a unit on the tree of life. Biology bigwigs define phylogeny and answer questions about the subsequent classification of organisms. The worksheet takes a straightforward and...
Curated OER
History of Life
In this history of life worksheet, students will explore how mass extinctions have occurred on Earth, the different periods of the geological time scale, and scientists' use of fossil records. Students will complete 3 fill in the blank...
Curated OER
ARE WE IN THE MIDDLE OF A MASS EXTINCTION?
Students identify and interpret the following: What is mass extinction, and what are some theories for why it happens? How often do species become extinct? What is the normal rate of extinction? Why are some species endangered? What...