Tag: keystone

  • Case Study – Sea Otters and Kelp Forests

    Case Study – Sea Otters and Kelp Forests

    What if one small, furry animal could decide the fate of an entire ecosystem? That’s the story of the sea otter, a species once hunted nearly to extinction for its valuable fur, and now celebrated as a hero of the ocean. This case study resource is designed to bring that powerful story into the biology…

  • The Crayfish Project – Ecology and Anatomy

    The Crayfish Project – Ecology and Anatomy

    Student project on crayfish which includes learning about crayfish ecology, invasive species, and food webs. Dissect a crayfish specimen to learn anatomy!

  • Ecology Lesson on Trophic Cascades

    Ecology Lesson on Trophic Cascades

    This year I decided to change the way I teach the last unit of the year, which is ecology.   Our textbook is really old, and not aligned to NGSS.  The lessons followed a familiar “old-school” pattern:  take notes mainly about definitions, do an activity or lab, then take a quiz.  This year, I wanted to…