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Interactive video lesson plan for: Why Aren't There Giant Insects?

Activity overview:

Hank and physiologist Jon Harrison discuss the question of insect size and major theories that attempt to explain why there is a limit to how large insects can get with current conditions on Earth.

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References
http://www.prehistoric-wildlife.com/species/m/meganeura.html
http://www.telegraph.co.uk/earth/wildlife/8930070/Worlds-biggest-insect-...

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