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17 Cards in this Set
- Front
- Back
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exoskeleton
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an external skeleton composed of tough plates that support and protect an animal
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compound eye
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eye having many small lenses; provides a mosaic of images rather than a single image; found in insects
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blood
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the fluid tissue that moves through the bodies of certain organisms, carrying substances to and from cells
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heart
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a muscular organ that pumps blood
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artery
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a blood vessel that carries blood away from the heart
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open circulatory system
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the type of circulation in which the blood passes from blood vessels into body spaces around organs and tissues before returning to the heart
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trachea
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in insects, one of the tiny tubes that branch throughout the body, carrying air to the tissues; in humans, the tube that carries air between the pharynx and the lungs
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excretory tubule
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a threadlike tube that extracts wastes from an insect's blood and empties them into the intestine
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molt
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to shed scales, feathers, fur, or an exoskeleton
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incomplete metamorhposis
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insect metamorphosis that includes three stages; egg, nymph, and adult
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metamorphosis
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a changing of an animal's shape or form as the animal develops from an egg to an adult
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nymph
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the immature stage of an insect with incomplete metamorphosis
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complete metamorphosis
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insect metamorphosis that consists of four stages; egg, larva, pupa, and adult
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larva
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an immature stage in the life cycle of many animals
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pupa
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a resting stage during the complete metamorphosis of certain insects
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water - vascular system
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a series of canals and tubules in echinoderms; used for movement and feeding
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tube feet
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small tubular structures of echinoderms; used for locomotion and feeding
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