Answer:
phenotype is a correct answer.
Explanation:
The observable traits expressed by an organism are described as its phenotype.
Phenotype is the physical appearance of an individual, which includes individual development, behavior, and appearance.
An individual phenotype is known by its genotype ( that is a genetic identity of an organism).
Thus phenotype is desecribed as the observable appearance of an organisum which include its structure, morphology, its physiological properties and behavior.
