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Additional Search Results 1 - 5 of 5 for Scallops
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1. Lesson4Dangerousseacreatures
...ndness if it comes into contact with the eyes. Sea Urchins: Contact with the sharp black spines of the black sea urchin is strongly avoided. They can penetrate deeply into the flesh and break off causing long-lasting inflammation if not removed often surgically. INGESTED TOXINS: Shell fish: (Clams, scallops, oysters, etc.) The toxin, saxotoxin, is water soluble, heat and base stabile, and is therefore not affected by steaming or cooking. It inhibits sodium channels of excitable membranes, blocking propagation of nerve and muscle action potentials. Tetradoxin: Toad, or puffer fish, common in tidal creek...
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2. Digging into the Past
...tep, use the rock hammer and chisel to Sources - Social Studies break out chunks from around the fossil. Then use the paintbrush / Language Arts 6-9 to dust it off. Why do you think it's important to use different tools for different types of jobs? · Hollywood Effects - Art / Technology 7-12 Fossil scallops of Cretaceous age from north-central Texas.What · Know Your Copyrights kinds of events may have happened to encase that animal in rock? - Law / Technology What may have caused the rock to erode around the fossil, so that 7-12 it could be seen on the surface? · North Korea's Power Play - Social Studi...
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3. Shells
...e. (See Below) Unlike the univalves the head region is not well defined and they do not contain a radula. Sometimes they have rows of tiny eyes along the edge of the mantle, as in the scallop. Most pelecypods move slowly through the sand and water with the aid of a hatchet-shaped foot. Some such as scallops move by quickly opening and closing their valves. When the valve is open the space fills with water, when it closes the water shoots out behind and advances the animal. Others such as oysters and mussels permanently attach themselves to rocks or other objects by secreting strands of byssus by a glan...
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4. Three Dimensional Art of Vertebrates and Invertebrates
...eton and how to draw it. Humans wear their skeletons on the inside and shells wear their skeleton on the outside. Snails and mollusks live in-side their shells and use them for safety. As invertebrates grow they must increase their shell. There are many types of mollusks: snails, clams, oysters and scallops. Through observation of this range of shell structures students will be able to understand how layers of Calcium Carbonate (CaCO3), form on the edge of the shell to make the shell larger. Also they will be able to see how color becomes part of the shell. Two kinds of shells will be studied. The firs...
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5. Child Labor
...rself and when she wanted to read fairy stories, that what do you think she did? She snipped into the dolls' dresses with the scissors! So now her mother makes big dresses, for little girls, and Rose cannot use the scissors, but must work with a needle. She sews on 36 buttons to earn 4 cents." "The scallops of the embroidery trimming little girls like so well for their dresses," mother continued, "are cut out by children in tenement houses. These little girls generally go to school, but often fall asleep over their lessons because they worked long after bedtime the night before, and an hour or two befo...
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