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a species that has a large effect on its environment relative to its abundance and plays an important role in maintaining the structure of the ecological community.
an organic compound that always contains the elements carbon, hydrogen, oxygen and nitrogen and...
tissues that are responsible for the transport of substances within the plant.
the abiotic components relating to the physical nature of an area.
the forming new plants asexually (without the production of seeds or spores).
coiled thread-like structures of DNA and histone, which is a protein, in the cell nucleus. They...