Which eukaryotic kingdom is polyphyletic, and therefore unacceptable, based on cladistics?

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

In dna, only the_ varies from one nucleotide to another. base phosphate sugar amino acid

Consider the model of the oxygen cycle on earth. the majority of earth's oxygen reservoirs are found in the a) atmosphere. b) biosphere. c) hydrosphere. d) lithosphere.