Biology
What is another name for the immune system?
More Questions from Biology
What characteristic could show that a bird might be ready to reproduce?
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Some insects in the north produce what chemical to serve as a natural antifreeze in the winter?
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What can an animal that eats berries and fish be called?
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What is a similar group of animals that can breed with each other called?
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What is the name of the machine that separates blood?
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What powdery substance contains the male sex cells of a flower?
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What would you call an animal with three main body parts and six legs?
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