Which is a function of the central nervous system
central nervous system is the main part of the brain and it is joint with the spinal cord also and performs various functions like co-ordination with other organs.
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.
i'd have to say the answer is probable the second option "the geosphere interacting with the atmosphere"