What is the name for a characteristic, such as eye color, of an organism ?

This can be termed the phenotype of that organism.

Physical characteristics that can be observed, such as eye color, are phenotypes.

The genetic code that is coding for this eye color is known as the genotype of that organism, and it cannot be directly seen.

explanation:

for  example, forests have higher evapotranspiration than other ecosystems,  such  as grasslands, because of their deeper roots and greater leaf area. thus forests have a net moistening effect on the atmosphere and become a moisture source for downwind ecosystems.

answer: c

explanation: