Investigation: Owl Pellets

screenshot This investigation can be paired with a unit on ecology, energy, and food webs.  Students open owl pellets to reveal the skeletons and fur of the owl’s last meal.  Students collect data on what they have found and then reconstruct the skeletons using an bone chart.  An analysis asks students to summarize what they have learned about the eating habits of the owl and to construct a food web.

Grade Level:  7-9  | Time Required:  45 – 90 min


Develop a model to describe how food is rearranged through chemical reactions forming new molecules that support growth and/or release energy as this matter moves through an organism.

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