During respiration, members of the animal kingdom use and then release as a waste gas.

an organism's phenotype is the  form of a trait  that it  displays. for  flowercolor, a pea  plant  can  display  a phenotype of purple or white flowers. an organism's  genotype  is the alleles of a gene it contains. based on his data, mendel concluded that a phenotype can be  determined  by more than one  genotype.

sodium i think the chemical element of atomic number 11, a soft silver-white reactive metal of the alkali metal group.