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Starfish and Other Echinoderms


Starfish and Other Echinoderms

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Item Number:
NDM 23609
Price:
$49.00
Format:
DVD
Length:
7 min.
Copyright:
2006
Closed Caption:
n/a
Producer:
New Dimension Media
Summary:
Close-up photography of spiny starfish, cushion starfish, serpent starfish, sea urchins, and sea cucumbers focuses on their methods of locomotion, their five-armed structure, their calcareous skeletons, their branchiae, and their carnivorous behaviors. Sequences on male and female sea urchins highlight spines, teeth, and cleaning pincers and the process of spermatozoid fertilization of unfertile eggs released by the female.


Series Name:
    Biological Classification In The Animal Kingdom Series



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