geo

Step 1: Choose to do ONE of the following:

A. Watch this 53 minute PBS NOVA Episode: https://www.pbs.org/wgbh/nova/video/rise-of-the-mammals/ (Links to an external site.)

   OR

B. Read through this website (https://coloradosprings.dmns.org/ (Links to an external site.)) AND watch the first 22 minutes of this YouTube video:After the Asteroid: Colorado Rocks Tell Earth's Comeback Story (Links to an external site.)

Step 2: Using what you learned from A or B, in the text box below: 1) Explain why the Colorado fossil record is important for understanding recovery from the end-Cretaceous extinction; 2) describe what the scientists learned about the evolution of mammals during this time; and 3) describe what the scientists learned about the evolution of plants during the time. Your write-up should be ~400-500 words.