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Defense in the Sea
Did you know that spines are only one common form of defense in the ocean?
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Take the SurveyWebisodesBack to National Science Standards »
4 webisodes match the national science standard Abilities of technological design:
Helmet Diving
Webisode 101
Inner Space at NASA
Webisode 65
The Airplane Graveyard
Webisode 13
Exploring the Prinz Eugen
Webisode 10
