... use a radula to scrape algae from rocks Carnivores use jaws to eat prey like the octopus Filter feeders use a siphon to catch plankton Gas exchange via ...
Herbivores: scrape food with radula. Predators: poisonous dart to swallow prey whole ... No distinct head region or radula. Filter feeders. Sperm & egg released ...
Class Bivalvia: clams, scallops, mussels, oysters; shell with two valves; lack radula and head; most marine; foot reduced or used for digging; include shipworms ...
Higher Invertebrates ... specialized feeding organ called a radula in some circulatory system is open ... abdomen (as in insects) cephalothorax (fused ...
Many have a scraping Radula. Trochophore larvae. Molluscan Body Plan. Molluscan Classes ... Scrape algae off rocks with radula. Marine. Gumboot Chiton. Bivalvia ...
Why are some animals and plants located in special zones and not all over? ... Scrape food with a radula - tongue with teeth (grazers and carnivores) Sea stars ...
10 pairs of pedal nerves. have radula. Classes of Molluscs: ... aquatic pulmonates surface to expel gas bubble and inhale by curling, thus forming a siphon ...
Phylum Mollusca soft bodied; many with protective shell more species of molluscs in ocean than any other phylum, over 200,000 sp. the mantle is a thin tissue layer ...
Snail coming out of its shell (P. bridgesii). Closed shell (P. bridgesii). Pomacea-Asolene, Marisa, Pomacea and Pomella. Depending on the specific snail. all found in ...
Photo credit: MSC A Classroom Lesson from the Mathematics & Science Center Photo credit: NOAA What is a Mollusk? Photo credit: NOAA Mollusks are Animals
Marine, freshwater, and terrestrial habitats. ... Jet-propulsion system. Muscle contractions. Forces water out through narrow funnel. Cuttlefish and squid very motile.
Phylum Mollusca Subphylum Amphineura Class Polyplacophora ... Camb-Perm Class Bivalvia clams, oysters Class Scaphopods tusk shells All major groups ...
Title: Whiskey is for drinking and water is for fighting Author: Deanna Marie Combs Last modified by: cestest Created Date: 6/18/2001 7:24:08 PM Document presentation ...
Snails Snails are molluscs. They have soft bodies protected by a hard shell. The body of the snail is usually moist and often slimy. The snail has two pairs of ...
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Title: Kmen: M kk i (Mollusca) Author: Milada Opittzova Last modified by: Administrator Created Date: 10/29/2003 8:04:08 AM Document presentation format
MOLLUSKS: Section 27 1 Slugs, snails, and animal that once lived in shells in the ocean or on the beach. Phylum Mollusca Oysters and mussels live firmly attached ...
Phylum Mollusca Squid External View Squid Internal Anatomy Assignment: Complete Phylum Mollusca handout from last class With your partner, read over the handout for ...
Animal Notes III-Mollusks and Review I Mollusks (Phylum Mollusca) Soft-bodied animals Most are covered by a hard shell (others not) Have a head, foot, and a mass of ...
Phylum Mollusca Chapter 13 Part 1 of 3 General Characteristics Unsegmented Soft bodied critters - Bilateral symmetry Shell formed by mantle secretions Body often ...
Kingdom Animalia Phylum Mollusca Class Polyplacophora Class Scaphopoda Class Bivalvia Class Gastropoda Class Cephalopoda * * * * * * * Most diverse class in Phylum ...
Chitons, tusk shells, snails, slugs, nudibranchs, sea butterflies, clams, ... Shell. Mantle Cavity. Space between mantle and body wall. Contains gills or a lung ...
MOLLUSKS Clams, snails, slugs, chitons, octopuses 2nd only to arthropods in # of species Main characteristics of Mollusks Soft body usu. covered by calcium carbonate ...
Class Gastropoda Snails - largest class of molluscs ~ 85,000 living spp. ~ 15,000 fossil spp. Habitats: marine benthos, ocean plankton, freshwater, land
PHYLUM MOLLUSCA Nervous/Sensory System 1. Large brains- good memory, can work thru problems. 2. Complex eye- very similar to human eye. Can form images and ...
... threadworms, and pinworms Trichinosis is caused by eating undercooked pork containing trichinella spiralis Nematodes Roundworms have a pseudocoelum.
Chapter 33 Invertebrates are animals without a backbone. The main phyla we will talk about are: Porifera Cnidaria Platyhelminthes Nemotodes Mollusks Annelids ...