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Isochronism of a Clypeasteroida

This specie belongs to the echinoidea class.They are conceived by external fertilization which is common with echinoids.The Nektonic larvae goes through several stages before the test or skeleton begins to form, until finally they turn into benthos.

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Channels: Ecology

Tags: Sea

Uploaded by: ( Send Message ) on 26-01-2010.

Duration: 3m 36s