Biology

In which fluid-filled cavity do organs develop in organisms such as earthworms?

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What would you call an animal with three main body parts and six legs?
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Which of these animals competes with a lion for food?
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What sort of plant has an internal system of tube-like structures?
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Which of these does food in the meat group mainly provide?
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Which of the following is an example of a nonvascular plant?
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What openings in a leaf allow gas exchange?
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What's the scientific term for an animal that eats the sort of foods humans do?
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What nutrient group gives long-lasting energy?
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