Question

a classification system in a framework for grouping things based on their similarities and dissimilarities true aur false​

Answer 1

Answer:

based on their similarity

Explanation:

menstruation occurs in female when the egg produced inside the cervix Is not fertilized Since the egg does not fuse with the male gamate ,so the thick wall and soft lining of uterus having a lot of blood capillaries in it are not required