Students worked through Ecobeaker Ex #3 today - Big Fish Little Fish.
Goal: Students should gain a solid understanding behind a trophic cascade. They should understand that a change in the population of one organism in an ecosystem has a direct impact on the other organisms within that ecosystem.
We are also digging into the idea behind invasive species.
Here is an article from Science Magazine on invasive species.
Native Frogs Beat Invasive Toads
and here is a video on aquatic invasives
CNN Student News - Link
2:51 - 5:45 on the Invasive Species Lionfish.
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