In this reading investigation, students figure out the many important roles that oysters have in their ecosystem. Depending on grade level, students may complete a jigsaw read or participate in collaborative sensemaking from a shared text, and build foundational knowledge of oysters and their ecosystem functions.

Students complete a jigsaw reading or collaborative sensemaking activity to figure out the many important roles oysters play in the New York Harbor ecosystem—as a source of food, water clearers, habitat builders, and shoreline protectors. They build foundational knowledge of how oysters function as a keystone species.
Pacing: 2 class periods (~90 min).
Logistics: Make a copy of the lesson plan, slides, and handouts. Print enough handouts for each student. Plan small-group reading rotations for the jigsaw activity.
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