The Tree of Life Homework

Watch the video below, then use it to answer the questions underneath it. According to the video, where did life first begin around 3,000 million years ago? IT being in the sea. According to the video, there is evidence that supports that certain sea creatures changed over time and began to walk on land. How long ago did this change begin? Around 450 millions of years ago. when the sea animals decided to go up in the land. According to the video, which branch of dinosaurs survived the mass extinction 65 MYA? The branch that survived the mass extinction are burrs.