Biology

How many main kingdoms are there in the living world?

More Questions from Biology
What caused the Irish potato famine of the 1840's?
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A group of which insects is called an army or a colony?
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In which fluid-filled cavity do organs develop in organisms such as earthworms?
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Rice and wheat are both members of what family of plants?
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What do hibernating animals live off during their deep sleep?
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What is the most diverse group of gymnosperms?
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What does a caterpillar morph into?
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Which of these plants would most likely be found around a pond's edge?
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