Biology
Which of the following is a signal that you are hungry?
More Questions from Biology
What is a cell that provides energy for another organism called?
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What can be made from the particles of a dead virus to prevent the disease caused by that virus?
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What is made by white blood cells to help fight off infection?
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Which of these is not one of the four lobes in the hemispheres of the brain?
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What is the process of joining the male and female sex cells of a plant called?
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Fish take in oxygen through their gills; what do insects take in oxygen through?
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