Why do biologists use a classification system to group organisms?

A. because many organisms are going extinct

B. so organisms will have the same name all over the world

C. because English names are the best to use worldwide

D. in order to separate male and female organisms

b. so organisms will have the same name all over the world

Explanation:

if a universal classification system is followed by everyone, the research, naming and the understanding becomes easier. The names need to be constant for people from every part of the world to know and understand. this prevents any clash of miscommunication between scientist and biologists all over the world. there's a separate branch in science that deals with classifying  organisms and giving them names that are universally accepted and followed. it is called taxonomy.