When crocodiles close their mouths, you still see their teeth, but when alligators close their mouths, their teeth are hidden. Learn more about these reptiles and their many evolutionary cousins in a fact-filled presentation. It discusses their evolution, adaptations, and diversity.

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CCSS: Adaptable
Instructional Ideas

  • Invite a herpetologist to speak to the class
Classroom Considerations

  • Takes some pre-work to change the formatting, grammar, and correcting the facts in the presentation before using
  • Relies on prior knowledge of evolution and natural selection
  • This resource is only available on an unencrypted HTTP website. It should be fine for general use, but don’t use it to share any personally identifiable information

  • Includes many different types of reptiles
  • Allows you to edit slides as needed

  • Filled with formatting issues including text behind photos, text off the slide completely, and text on top of text
  • Some included facts are incorrect