Aspecies of moth has evolved a very long tongue to reach nectar at the bottom of a species of orchid. this orchid has evolved a long nectar tube, so that moths feeding on its nectar contact its pollen, it to reproduce. this is an example of

a. chemical evolution.
b. predatory evolution.
c. independent evolution.
d. coevolution.

The answer here would be: D. coevolution.

co·ev·o·lu·tion

noun

the influence of closely associated species on each other in their evolution.

not too sure maybe olecranon process

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.