Phylum Mollusca Identify Structure Radula.

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Presentation transcript:

Phylum Mollusca Identify Structure Radula

Phylum? Common Name? Mollusca Chiton 8 Overlapping Plates How do I feed? Where am I found? I use my radula to scrape algae off the rocks The Rocky Intertidal

Mollusca Phylum? Common name? Where am I found? How do I feed? Limpet The rocky intertidal I use my radula to scrape algae off the rocks

Phylum? Common Name? Mollusca Brown sea hare What do I eat? How do I defend myself? Kelp and other algae I secrete ink

Phylum? Common Name? Nudibranch Mollusca Feeding strategy? Predatory carnivore

Phylum? Common Name? Marine Sail Mollusca

Common Name? Cone Snail Proboscis The barbed, harpoon-like radula emerges form its proboscis Siphon

Phylum? Class? Bivalvia Mollusca 1 2 4 3 Mantle 1. 2. 3. Gill 4. Foot

Phylum? Class? Mollusca Bivalvia Identify Structure Siphon

Phylum? Class? Common Name? Mollusca Bivalvia California Mussel Identify structures Byssal Threads

Phylum? Class? Cephalopoda Mollusca What is my common name? What type of circulatory system do I have? How do I feed? Octopus Closed I am a fast, efficient predator (carnivore).

Phylum? Class? Common name? How do I move through the water? Mollusca Cephalapoda Squid Jet Propulsion

Phylum? Class? Common Name? Mollusca Cephalopoda Cuttlefish

Phylum? Class? Common Name? Mollusca Cephalopoda Nautilus A living fossil