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22 Cards in this Set
- Front
- Back
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class oysters belong to
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pelecypoda
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T/F: any single part of star fish can regenerate
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false
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thin skin which covers the visceral hump
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mantle
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scraping, rasping? tounge of mollusk
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radula
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groove like structure that runs full length of starfish ray
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ambulacral groove
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water enters starfish through...
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sieve plate
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free swimming larva of echinoderms
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bipinnaria
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secrectes shell of mollusk
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mantle
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structure containing digestive organs of mollusk
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visceral hump
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structure through which water enters the clam
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incurrent siphon
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class of mollusks that undergo torsion in early development
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gastropoda
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vertral surface of starfish
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oral
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2-shelled mollusks belong to the class
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pelecypoda
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larva form of mollusk
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trochophore
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in starfish~ function in gas exchange and waste removal
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skin gills
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outer stomach
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cardiac stomach
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most complex class of molusca
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cephalapoda
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major mean of diving mollusks into classes is....
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shell
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transports water from the sieve plate to the ring canal
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stone canal
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2 evolutionary links between annelids and mollusks
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1. incurrent siphon
2. trochophore (larva form) |
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invertabrate phylum that chordates are closest relates to
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echinodermata (starfish)
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why are chordates most closely related to echinodermata phylum of invertibrates
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both are deuterostome
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