Biology and its major divisions

biology 9th class

1. Topic: Introduction to Biology The word BIOLOGY is derived from two Greek words; “ Bios” means ‘life’ and “ Logos” means ‘to study’. In 1736 , Carl Linnaeus for first time used word biology. Biology  is the  natural science   that studies   life  and living  organisms . OR Biology is the branch of science which study of living things and their vital processes. Biology Class 9th Chapter# 01: Introduction to Biology

2. Biology Class 9th Biology has three major divisions. 1. Botanty : The term "botany" comes from the  Greek  word  botanē meaning " pasture" , " grass ", or " fodder “. Botany  is the scientific study of plants. It is also called  plant science s,  plant biology  or  phytology . Chapter# 01: Introduction to Biology

3. Biology Class 9th 2. Zoology: The term Zoology is derived from  Greek    zōion , i.e. " animal " and   logos , i.e. " knowledge/study". Zoology   is  the scientific study of animals .   It is also known as animal science/ animal biology. Chapter# 01: Introduction to Biology

4. Biology Class 9th 3. Microbiology: The term microbiology comes from   Greek     mīkros , "small " ,   bios , " life "; and  logia Microbiology , study of microorganisms, or microbes Microbes is a   diverse  group of generally minute, simple life-forms that include   bacteria ,  archaea ,   protozoa , viruses , microscopic algae and fungi . Chapter# 01: Introduction to Biology

5. Assignment: Q. Define biology. Also discuss its major divisions.