Instructional Video

Speciation and Extinction

Curated and Reviewed by Lesson Planet

Are we, as some scientists theorize, in the midst of the sixth mass extinction? Scholars explore speciation through adaptive radiation and extinction with a video that uses the three-spines stickleback in Alaska, and its current speciation due to poisoning of the lake as a model.

16 Views 10 Downloads
CCSS: Adaptable
NGSS: Adaptable
Additional Tags
Instructional Ideas
  • Have scholars research the five mass extinctions and present findings to the class
Classroom Considerations
  • Video assumes learners know something about phylogenetic trees
  • Video repeats some parts of #16 in this series (Speciation)
  • Video 17 in a series of 18
Pros
  • Video provides links to concept map, two review worksheets, and a slideshow that follows the video
  • Uses high-quality photographs and videos to supplement the topics discussed
Cons
  • None
Common Core
NGSS