Without agriculture my life would be different as I would not have acsess to all these fresh fruot and vegetables we have today. Our diets would have to adapt to more unnatural food, and our bodies would not be as healthy as they are now.
A stem-cell niche is an area of a tissue that provides a specific micro-environment, in which stem cells are present in an undifferentiated and self-renewable state.
Answer: organic compound
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A crab is multicellular.
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