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plant-like organisms that live and grow in water; they make their own organic food by the process of photosynthesis.
symbiosis where one organism lives on another (on the outside of another).
organisms, such as plants, which are able to produce their own organic foodstuffs from inorganic...
involuntary muscle found in the walls of blood vessels, in digestive, respiratory, urinary and...
process by which cells become specialised to perform a specific function.
a plant body consisting of one or more cells. It is not differentiated into root, stem and...