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deep-sea zone
a plant body consisting of one or more cells. It is not differentiated into root, stem and...
epithelial tissue consisting of a single layer of cells.
the outermost nucleated cytoplasmic layer of the Schwann cells that surrounds the axon of a...
outer body tissue layer that forms the epithelium and nervous tissue.
the effect of the relative lengths of daylight and darkness on the physiology and behaviour of...