about biology

Assalam-o-Alaikum, my name is Rashid Ali. I am from class 9th. Today our topic is major divisions of biology. There are three major divisions of biology. My name is Sajad Ali. Today my topic is biology. My name is Shahid Hussain. I study in class 9th. Today my topic is gardening. I study in class 8th. My name is Aditya. I study in class 9th. Today my topic is microbiology. I study of microscopic organisms. It's called microbiology.