What's So Key About a Keystone Species?
A keystone species is a species that has a major influence on the structure of an ecosystem. Students will learn about Tiger Sharks through Web sites such as National Geographic: Filming Tiger Sharks. Students will draw food chains and conduct a simulation to see the relationship between members of the Shark Bay ecosystem and to understand why the tiger shark is considered a keystone species. They will conclude by writing paragraphs describing these relationships.
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