How is oxygen conserved as it moves through the ecosystem ?

oxygen can be produced cannot be conserved it is lighter gas then carbon dioxide so it moves in air and it cannot go up after ozone layer

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.

nucleus

would be most reasonable answer tbh