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group of similar organisms that can breed with each other to produce fertile offspring. It is the lowest level (taxon) in the classification system.
waste water from sinks, washing machines, dishwashers, showers and baths, which can be used for...
compounds such as lipids, carbohydrates, proteins, nucleic acids, vitamins, petrochemicals and...
(also called transgenic organism) an organism whose genetic material has been changed using...
wild animals from tropical forests that are captured or killed for food or traditional medicine...