Instructional Video

Nematocyst Animation: Fighting Tentacles

Curated and Reviewed by Lesson Planet

Most species defend their territories, but few use the methods of sea anemones. View a slow motion battle between two enemy anemones fighting for their place on a rock. Scholars apply their knowledge of evolution to consider the intense battle.

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CCSS: Adaptable
NGSS: Designed
Additional Tags
Instructional Ideas
  • Discuss when this adaptation is useful, other than the given example
  • Add a diagram of acrorhagi to science journals
Classroom Considerations
  • Relies on prior knowledge of sea anemones and tentacles
Pros
  • Links to many related videos
  • Works well in traditional or flipped classes
Cons
  • None