'Mantle cavity ' presentation slideshows

Chapter 12 Molluscs

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CLASSIFICATION OF MOLLUSCA

CLASSIFICATION OF MOLLUSCA. The word Mollusca is derived from the latin word mollis which means soft bodied. GENERAL CHARACTERISTICS It is the second largest phylum of invertebrates consisting of more than 80,000 living species and about 35,000 fossil species.

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Class Gastropoda

Class Gastropoda. Snails - largest class of molluscs ~ 85,000 living spp. ~ 15,000 fossil spp. Habitats: marine benthos, ocean plankton, freshwater, land. After torsion. Gastropod characteristics. 1. Torsion - primitive bilateral symmetry lost during development

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Chapter 33 Notes

Chapter 33 Notes. Invertebrates. Concept 33.1. Phylum porifera : - asymmetric - ex. sponges - sessile adults, larva may swim - have no nerves or muscles; individual cells can sense and react to environmental changes. Concept 33.1.

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Lesson Overview

Lesson Overview. 27.2 Respiration. THINK ABOUT IT . All animal tissues require oxygen for respiration and produce carbon dioxide as a waste product. For that reason, all animals must obtain oxygen from their environment and release carbon dioxide.

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Vocabulary Review

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Annelida

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Mollusca aka the epitome of cool

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Mollusca

Mollusca. By Kelsey Neichin and Aaron Thomsen. Phylum. Mollusca All soft-bodied animals Most protected by calcium carbonate shell 3 main body parts: foot, visceral mass, mantle. Sample Animals. Polyplacophora (Chitons):. Gastropoda (snails and slugs):.

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Phylum Mollusca Mollusk General Characteristics

Phylum Mollusca Mollusk General Characteristics. Are a very diverse phylum Most have a specific type of larvae ( trochophore ) Are all soft-bodied with an internal or external shell. Body Plan. Have a coelom (true body cavity), with a one way digestive system

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Chapter 2 Mollusks, Arthropods, and Echinoderms

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Phylum Mollusca

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Mollusks

Mollusks. Chapter 13 Section 1 Notes. Mollusks. Soft-bodied invertebrates with bilateral symmetry and usually one or two shells with organs in a fluid-filled cavity. Mantle. Thin layer of tissue called the mantle covers the body organs. Mantle.

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Phylum Mollusca (Chapter 27.4)

Phylum Mollusca (Chapter 27.4). Please set up your notebook for Cornell Notes. Mollusks Characteristics Soft-bodied w/ external or internal shell Have a free swimming larval stage called trochophore Also appear in annelids. Form and function Body plan Bilaterally symmetrical Four parts

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PHYLUM MOLLUSCA

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Mollusca

Mollusca. Soft bodied animals. Mollusca General Info. 150,000 known species Most mollusks are marine, but some live in fresh water environments Mollusks are soft-bodied animals that are sometimes protected by a hard shell. Symmetry in Mollusca.

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PHYLUM MOLLUSCA

PHYLUM MOLLUSCA. WHAT IS A MOLLUSK? Why are animals that look and act so different grouped in the same phylum? It is because they share developmental patterns . Characteristics of Mollusk 1. mantle 2. mantle cavity 3. shell 4. true coelom 5. head, muscular foot, visceral cavity

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Mollusks

Mollusks. Tough Softies!. Taxonomic Roadmap. Kingdom: Animalia Phylum: Mollusca (Mollusks) Class: Bivalvia (Bivalves) Class: Cephalopoda (Cephalopods) Class: Gastroboda (Gastropods) Mollusca is the second most diverse (second most number of species) phylum in the animal kingdom!.

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