Tag: trophic
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Interpreting a Food Web and Trophic Levels
Students analyze a food web and determine the types of consumers, herbivores, carnivores, and omnivores. Then they construct a pyramid of numbers.
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Trophic Cascades at Biointeractive
This worksheet is designed for the Interactive Activity on Trophic Cascades at HHMI Biointeractive . Students learn how the loss or addition of a species, like a fox, can affect other organisms in the system. Students complete the worksheet by answering questions as they explore the interactive activity. The activity illustrates a trophic cascade in…
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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…