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5 Cards in this Set
- Front
- Back
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Closed Circulatory System
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a circulatory system in which the heart circulates blood through a network of vessels that form a closed loop;the blood does not leave the blood vessels, and materials diffuse across the walls of the vessels.
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Open Circulatory System
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a circulatory system in which the fluid is not contained entirely within vessels; a heart pumps fluid through vessels that empty into spaces called sinuses.
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3 main body parts of an arthropod
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the three parts are head, thorax and abdomen.
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Relatonship between parasite and host
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Host: An animal which a parasite feeds off
Parasite: Feeds off of animals The host helps the parasite survive;the animal gets sickness for it. |
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4 characteristics of an arthropod
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a head, thorax, and abdomen six jointed legs two antennae.
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