Homeostatic Evolution

How does something remain the same in order to change? The video discusses homeostatic evolution from both the continuity and changing perspectives. An analysis of the excretory system in flatworms, earthworms, and vertebrates shows continuity in homeostatic evolution, while the changes in respiratory systems from aquatic to terrestrial animals shows changes due to homeostatic evolution. 

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CCSS: Adaptable
NGSS: Adaptable
Additional Tags
Instructional Ideas
  • Use the video to supplement unit on evolution
  • Research and discuss other examples of continuity in evolution
  • Use a concept map as place for learners to record information
  • Take review sheet and break into three parts, allowing three groups to research and discuss answers to their part and present to class
Classroom Considerations
  • Classroom must have a computer, Internet access, and projection system
  • Part 22 in a series of 37
  • Includes concept map, slideshow, and review worksheet
  • Great comparison of respiratory needs in organisms who live in water versus land
  • Engaging explanation of transitional organisms showing evolution of lungs (lungfish and frogs)
  • None
Common Core