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Which statement about the immune system is false? a. lymphocytes reduce inflammation, b. b cells remember specific pathogens. c. most white blood cells kill bacteria d. white blood cells are made in lymph nodes.
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Some birds look for food near cattle and other livestock. the movement of the cattle churns up the ground, making insects available to the birds. the cattle appear to be unaffected by the presence of the birds. what kind of relationship exists between the birds and the cattle? o a. parasitism o b. commensalism o c. predation o d. mutualism
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Long-period comets come from the oort cloud particles in earth’s atmosphere material from the asteroid belt the kuiper belt
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Which worm has eyespots that are used to detect light? a fluke b marine worm c planarian d tapeworm
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2. In which leaf layer does most photosynthesis occur?...
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