Read this it will explain http://www.stevens.edu/cricket/intro.pdf
There's not really an explanation.... they are classified as animals because, well, they are animals.
nostril nostril nostril
They provide energy to people.
Elements are classified in priodic table on the basis of their electronic configuration in outermost shell....
Because of their compounds and elements.
Fungi is classified into different groups depending on whether its an animal fungi or a plant fungi.
Q. Explain how a such as GE might be classified by sum business marketers as a user customer but by other an OEM customer