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Tag: "ecosystem"

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Lesson Plan September 22 2019

Lesson plan: How animals help us design new inventions to solve environmental problems

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Daily Video August 08 2017

Invasive parakeets threaten Hawaii's ecosystem

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Daily Video February 08 2017

Submarine dives deep to study endangered coral reefs

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Lesson Plan February 01 2017

Lesson plan: Invent your own device to battle invasive species

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