Cubangbang 7thA Ch.15 Invertebrates Stack #128624
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| an animal or an organism with no backbone | invertebrate
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| a structure in animals and humans that provides mechanical for muscle attachment and maintaining body shape. | skeleton
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| an organism that obtains food from water circulating through its body. | filter feeders
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| a type of skeleton in which confined fluid provides support | hydrostatic skeleton
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| in certain animals the internal cavity in which digestion and food circulation take place. | Gastrovascular Cavity
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| a type of stinging cell possessed by cnidarians; used for defense or for capturing food. | Nematocysts
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| a type of symmetry in which several different planes could divide an animal into equal halves | Radial Symmetry
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| a type of symmetry in which there are two equal sides to an animal ; only one plane can divide it into equal halves | Bilateral Symmetry
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| a long thin nerve cell that carries impulse between various parts of the body. | Neurons
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| a number of neurons arranged side by side and wrapped in a protective covering. | Nerve
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| a mass of nerve tissue; sometimes called a simple brain. | Ganglion
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| a nerve that extends the length of an organism's body; found in some invertebrates. | Longitudinal nerve
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