Why Can't Some Birds Fly?

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Back in the day, all birds had the ability to fly. Why would evolutionary adaptations take that away from some species? A video presentation discusses the cost of having the ability to fly and why that feature may not be ideal for some species. Following the video, individuals test their knowledge with a series of online questions.

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CCSS: Adaptable
Additional Tags
Instructional Ideas
  • Use as an introduction to evolutionary adaptations
  • Incorporate individual answers to questions in a class discussion
Classroom Considerations
  • Requires an understanding of predator-prey relationships
Pros
  • Emphasizes new scientific vocabulary throughout the lesson
  • Provides links to additional resources for further study
Cons
  • None