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15 Cards in this Set
- Front
- Back
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covers the body orgns of mollusks located in the visceral mass
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mantle
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mollusk organs in which carbon dioxide is exchanged for oxygen in the water
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gills
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the heart moves blood out into the open spaces around the body organs
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open ciculatory system
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a tonguelike organ with rows of teeth that gastropods use to obtain food
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radula
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blood containing food and oxygen moves through the body in a series of closed vessels just as humans
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closed circulatory system
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bristle like structures on the outside of each worms body segment
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setae
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a sac used for storage of soil in earthworms
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crop
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located behind the crop, it's a muscular structure which grinds soil and bits of organic matter in earthworms
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gizzard
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jointed structures likelegs, antennae, claws,pincers of arthropods
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appendages
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hard outer covering of arthropods
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exoskekleton
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process in which the exoskeleton of arthropods is shed and replaced by a new one
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molting
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openings on the abdomen and thorax of insects through which air enters and waste gases leave the body
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spiracles
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series of changes in body form an insect goes through
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metamorphosis
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a network of water-filled canals with thousands of tube feet connected to it
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water vascular system
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hollow thin-walled tubes that each end in a suction cup
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tube feet
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