![](https://simbio.com/wp-content/uploads/2021/06/keystone_pred.png)
This very popular lab, updated in recent years to include onscreen instructions and instant feedback, explores community ecology in a rocky intertidal area. Students collect and analyze data from simulated transplant experiments, gut-content sampling, and removal experiments to evaluate how direct and indirect effects impact community structure and to generate and test predictions about keystone species.
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LEVEL - Lower Division
![](https://simbio.com/wp-content/uploads/2021/06/vid_keystone.png)