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Invertebrates: Jellyfish andHorseshoe Crabs


Invertebrates: Jellyfish andHorseshoe Crabs

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Item Number:
DCS DC893065
Price:
$59.95
Format:
DVD
Length:
26 min.
Copyright:
2002
Closed Caption:
Yes
Producer:
Discovery Channel School
Grade Level:
6 - 8
ISBN:
1595278699
Summary:
Although brainless and eyeless, jellyfish can still respond to changes in their environment, despite being little more than bundles of nerves. And the horseshoe crab has survived nearly unchanged for 350 million years, thanks to a remarkable immune system. The crab's blood cells release infection-fighting antibodies, which scientists have transformed into a life saving test for humans. Invertebrates: Jellyfish & Horseshoe Crabs will put a little backbone into your aquatic science curriculum.

Only available in the US.




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