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single-celled floating algae, which provide food for marine animals, such as fish and whales.
the protective layer of fibrous connective tissue which surrounds each kidney.
inter-connecting strands of cytoplasm that connect the cytoplasm of adjacent plant cells across...
structure within the cell cytoplasm that is surrounded by its own membrane and has a specific...
the ability of a liquid to spontaneously rise up a narrow space, such as that found in xylem...