Biology
What is the outermost covering of trees and some plants called?
More Questions from Biology
What are the structures found in the cytoplasm of eukaryotic cells called?
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What is group of cells that work together and form an organ called?
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What nerve tissue transmits light signals from your eye lens to the brain?
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What substance in your ears helps keep germs and dirt out?
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What Japanese delicacy can be deadly if not prepared correctly?
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Animals which eat both plants and other animals are known as what?
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What are the thin bones that protect your lungs and heart?
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