Answer: The correct answer is-
Morphology is a branch of biology that deals with the study of various morphological forms/ structures of living organisms.
It is related to specific features/ traits of organisms. There can be various aspects that depicts the external appearance ( also called phenotype) of the organism ( for instance, shape, height, specific pattern etc).
Examples of morphological traits-
- Round and wrinkled shape of seeds of pea plant.
- Tall and dwarf height of pea plant.
- Yellow and green shape of pea seed.