The Biology of Echinoderms

Echinoderms are one branch of the deuterostome line of animal evolution, the branch to which Chordates also belong. Narrated modules cover phylum characteristics and key biological details for five classes: sea stars, brittle stars and basket stars, sea urchins and sand dollars (including developmental stages), sea cucumbers, and crinoids (feather stars).

The Biology of Echinoderms Running Time: 19 minutes (approx.) Grade Level: 6 - 14 Closed Captioned: Yes Audio Described: Yes Year: ©2005 Producer: BioMEDIA ASSOCIATES Echinoderms are one branch of the deuterostome line of animal evolution, the branch to which Chordates also belong. Narrated modules cover phylum characteristics and key biological details for five classes: sea stars, brittle stars and basket stars, sea urchins and sand dollars (including developmental stages), sea cucumbers, and crinoids (feather stars).

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BT817 - Streaming Video - 1 Year  
+ Show Details   $ 9.95

License Period:	1 year
Running Time:	23 minutes
Close Captioned:	Yes
Audio Described:	Yes

BT217 - DVD  
+ Show Details   $ 68.00

License Period:	In Perpetuity
Running Time:	23 minutes
Close Captioned:	Yes
Audio Described:	Yes
ISBN:	1-930527-91-8