Which of the following statements is not correct ?
A. Biodiversity is the occurrence of variety of life forms differing in morphology, anatomy, habitats and habits.
B. Systematics is the branch of biology that deals with cataloging plants, animals and other organisms into categories that can be named, remembered, compared and studied.
C. Classification is the beanch of biology that deals with principles and procedures of identification and nomenclature of organisms.
D. none of these