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Crustaceans

Crustaceans. (Lobsters,Crabs, and Shrimp). Just the Facts…. Crustaceans belong to the Phylum Arthropoda (jointed feet) . All Arthropods have jointed appendages. All Arthropods have an exoskeleton . The Exoskeleton. Is made of a tough fibrous material called chitin .

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Crustaceans

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  1. Crustaceans (Lobsters,Crabs, and Shrimp)

  2. Just the Facts…. • Crustaceans belong to the Phylum Arthropoda (jointed feet). • All Arthropods have jointed appendages. • All Arthropods have an exoskeleton.

  3. The Exoskeleton • Is made of a tough fibrous material called chitin. • This gives the skeleton strength and flexibility. • There are several pairs (5 or more) of jointedappendages (movable arms and legs).

  4. Molting • Molting is when the exoskeleton is shed as the organism outgrows it.

  5. Other Characteristics • Bilateral symmetry • Two main body segments- • Cephalothorax • Abdomen • They filter feed, scavenge, or are predatory • Use appendages for food getting and movement • Found throughout the oceans of the world • Are an important food source for other marine organisms • They reproduce sexually, fertilize externally • Have gills to breathe

  6. The Mantis Shrimp

  7. Tough Guy!

  8. The Mantis Shrimp vs. The Blue Ringed Octopus

  9. Crustacean Wars

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