The correct answer that would best complete the given statement above is "morphology". Sometimes the form or appearance of an organism is studied to determine a taxon. The scientist is using morphology. Morphology is a branch of biology, which studies about the form of living organisms and its relationship between their structures.
The answer is B (example: color blindness)
What are the answer choices?
Answer: D
Explanation: Because I looked it up in an article for you. Also I already learned this