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the second biological classification group (taxon) that is divided into phyla (for animals) or divisions (for plants). There are five or six kingdoms in the main biological classification system.
(also called transgenic organism) an organism whose genetic material has been changed using...
an aerobic respiration in animal cells resulting in the formation of lactic acid.
the excessive growth of algae in eutrophic streams, rivers and dams.
specialised proteins which catalyse chemical reactions and thereby speed up chemical reactions...