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  1. The crustaceans (Crustacea) are a large group of arthropods (55,000 ...and adult barnacles live a sessile life - they are attached head-first to the substrate...

    13 Answers · Education & Reference · 03/11/2006

  2. Crustaceans are part of the Phylum Arthropoda which ... there is an external or internal shell. Crustaceans can be differentiated from other arthropods by...

    3 Answers · Science & Mathematics · 11/02/2008

  3. Crustaceans form a very large group of arthropods, which includes such familiar animals as crabs, lobsters, crayfish, shrimp, krill and barnacles. http://en.wikipedia.org/wiki/ Crustacean

    4 Answers · Environment · 05/12/2010

  4. Crustaceans are a group of animals that have a hard exoskeleton...the mandibles in positioning the food). Crustaceans are invertebrates (they lack a backbone) and ...

    5 Answers · Science & Mathematics · 05/08/2010

  5. crustacean are various predominantly aquatic arthropods of the class Crustacea, ... exoskeleton, and paired, jointed limbs Amollusks is a numerous chiefly kinds of marine invertebrates of the phylum ...

    10 Answers · Science & Mathematics · 10/03/2008

  6. ...travel to new environments. Because they are small they need only small amounts of food and can...very quickly Some Characteristics of Crustaceans : A hard exoskeleton made of calcium - no internal...

    2 Answers · Science & Mathematics · 16/03/2008

  7. ... virtually unchanged for over 300 million years! Like crustaceans , they are in the phylum arthropoda but occupy their own class (merostomata) while the three other...

    4 Answers · Science & Mathematics · 04/06/2008

  8. ...shrimp, and other crustaceans live in the sea. Shellfish can be a synonym for crustaceans , but shellfish also encompasses mollusks like clams and ...

    8 Answers · Education & Reference · 19/05/2009

  9. Crustaceans are in the phylum Arthropoda, so there are many other animals...

    2 Answers · Science & Mathematics · 15/10/2008

  10. Crustaceans , polychaetes and snails are grouply called as mesoherbivores...in the habitat and, (iv) host selection, and possibly diet, is subordinate to habitat selection. Considering these...

    2 Answers · Science & Mathematics · 10/03/2007

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