LS4A - Evidence of Common Ancestry and Diversity

Need help putting together an uncommonly good unit about common ancestry? Check out a video that covers NGSS standard LS4A, Evidence of Common Ancestry and Diversity. Topics include ways to convey similarities and differences between organisms throughout the ages, DNA, and embryology.

14 Views 10 Downloads NGSS: Designed
Additional Tags
Instructional Ideas
  • Review the video to make sure your lesson plans cover all the bases without overloading students with too many details and diagrams
  • Incorporate Darwin's first phylogenic tree into a discussion centered on how early scientists determined similarities between organisms
Classroom Considerations
  • Keep conversations focused on visible clues to similarities in organisms if pupils have not yet learned about DNA
  • 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
Pros
  • Includes examples of common ancestry that are suitable for introducing the concept to early elementary pupils
  • The narrator shows many helpful tips for simplifying a standard that is often confusing for learners
Cons
  • None