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Cephalopod

en.wikipedia.org/wiki/Cephalopod

A cephalopod is any member of the molluscan class Cephalopoda These exclusively marine .... Most cephalopods possess an assemblage of skin components that interact with light. These may include irid...

Cephalopods - The Living World of Molluscs

www.molluscs.at/cephalopoda/main.html

The more modern cephalopods of the subclass called Coleoidea do not have an external shell like the other molluscs. Only members of the most ancient ...

Mollusks - MBGnet

www.mbgnet.net/salt/oceans/animals/mollusk.htm

Mollusk Maybe you think that snails, clams, mussels, squid, and octopods are very different. ... They are also the only cephalopods with four gills instead of two. ).

The Cephalopod Page: Octopus, Squid, Cuttlefish, and Nautilus

www.thecephalopodpage.org/

The Cephalopod Page features the class of marine mollusks that includes ... Today there are only about 800 living species of cephalopods (compare that with  ...

Cephalopods - Cephalopoda - The Animal Encyclopedia

animals.about.com/od/molluscs/p/cephalopods.htm

Cephalopods are a group of mollusks that include octopuses, cuttlefish, ... The nautilus has an external shell (in fact, it is the only living cephalopod to have an ...

Molluscs - Biology Questions

www.biology-questions-and-answers.com/mollusca.html

Only considering this aspect, would it be appropriate to consider molluscs ... Molluscs Review - Image Diversity: pelecypods gastropods cephalopods ...

The Wonders of the Seas: Mollusks - Oceanic Research Group

www.oceanicresearch.org/education/wonders/mollusk.html

Among the Mollusks are some of the most well known of invertebrate sea creatures, like snails, ... Nautiluses are the only Cephalopods with an external shell.

The Molluscs (Phylum Mollusca) - The Earth Life Web

www.earthlife.net/inverts/mollusca.html

5)Body monomeric and highly variable in form, may possess a dorsal or lateral ... the Nautiloid cephalopods were also once very successful but are now only ...

Chapter 45: Mollusks and Annelids

www.mhhe.com/biosci/genbio/raven6b/graphics/raven06b/other/raven06_45.pdf

(oysters and clams), and the cephalopods (octopuses and .... only the arthropods have more species adapted to a ter- ...... classes of mollusks possess this.

cephalopod | class of mollusks | Britannica.com

www.britannica.com/animal/cephalopod

Sep 16, 2015 ... Any member of the class Cephalopoda of the phylum Mollusca, a small group ... The best-known feature of the cephalopods is the possession of arms ... it may range from only a few dozen in octopuses with large eggs to more ...

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Mollusks - Biology Junction

www.biologyjunction.com

Mollusks must eat constantly because the functioning of their nephridia causes the ... Since cephalopods have tentacles, they have no need for a radula. Multiple  ...

Answers to Text Questions

highered.mheducation.com

Of the mollusks, snails are in the class of a). gastropods. b). bivalves. c). cephalopods. d). chitons. Answer: a 2). A mantle is a). present only in bivalves.

The Cephalopoda - University of California Museum of Paleontology

www.ucmp.berkeley.edu

Jump to branches within the Mollusca tree. Lophotrochozoa : Mollusca .... Today, the only living representatives of shelled cephalopods are a few species .... Some pelagic squids possess an additional color-changing structure; the light organ.