Biology
What is the upper surface of the plant leaf called?
More Questions from Biology
Some insects in the north produce what chemical to serve as a natural antifreeze in the winter?
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Which sea animal is parasitic and attaches itself to fish to suck their blood?
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Which of the following is a signal that you are hungry?
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What is the correct order of a butterfly's life cycle?
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Who established the nematode C. Elegans as an experimental organism?
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What "trapdoor" on your windpipe helps keep out food particles?
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