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the surface on which an organism lives and gets its food.
unicellular organisms that contain a true nucleus and membrane bound organelles. All protists...
the outermost nucleated cytoplasmic layer of the Schwann cells that surrounds the axon of a...
a reproductive structure in fungi that is a bit like a seed. But unlike a seed, it can be...
part of the skeleton that occurs in the head which supports the structures of the face and forms...
coiled thread-like structures of DNA and histone, which is a protein, in the cell nucleus. They...