Dimetrodon is generally featured in children's books about dinosaurs even though it wasn't a reptile and lived in an earlier era than dinosaurs. The way life developed wasn't as smooth as many people think. The video focuses on the explosion of life during the Paleozoic Era. It ends with the great dying, which we know happened, but have not discovered the reason.

Concepts

paleontology, evolution, cambium, photosynthesis, the paleozoic era

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Additional Tags

science

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Instructional Ideas

• Develop a timeline of the periods in the Earth's history; if class members created a timeline of the eons while watching the previous video in the series, add this timeline to that one

Classroom Considerations

• Remember the comment section is not moderated and includes many words not typically considered acceptable in the classroom
• Assumes prior knowledge from the first video in the series

• This video is hosted on YouTube

Pros

• Offers closed captioning in Dutch, English, and Swedish
• Helps put pre-history into perspective, both on a scale of time and size

Cons

• None

Common Core

RST.9-10.4 RST.11-12.4