Which major level of classification contains the most closely related species?

Match the digestive enzymes to the macro molecules they to digest. down fats into glycerol and fatty acids down carbohydrates into simple sugars down nucleic acids into nitrogenous bases and simple sugars down proteins into amino acids

Indica el nombre y la fucion de los vasos sanguineos que entran y salen de los riñones

Which element forms the basis of all organic organisms a carbon b oxygen c hydrogen d nitrogen