character: Sea Cucumber
topic: Reproductive Modes of Echinoderms
grade: 9
subject: Biology
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character: Starfish
topic: Asexual Reproduction in Echinoderms
grade: 9
subject: Biology
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character: Urchin
topic: Sexual Reproduction in Echinoderms
grade: 9
subject: Biology
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character: Sea Lily
topic: Lifecycle of Echinoderms
grade: 9
subject: Biology
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