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This How the Squid Lost Its Shell instructional video also includes:
The ancestors of squid and octopus used shells as a form of defense. Pupils learn how cephalopods evolved without shells and the adaptations required to survive without one. Viewers learn how scientists know about these changes and the proof on today's cephalopods. The video is one part of a larger series from PBS Eons.
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CCSS:
Adaptable
Additional Tags
Instructional Ideas
- Have class members draw a chart of squid evolution
- Add all new vocabulary to science journals
Classroom Considerations
- Relies on prior knowledge of evolution, shells, and adaptations
- This video is hosted on YouTube
Pros
- Offers a great list of references for those wanting to know more
- Provides subtitles for visual learners
- Great in traditional classrooms or as flipped assignments
Cons
- None