Ahmadwasam

1.Atomic & subatomic Levels All living and nonliving matter is formed of simple units called atoms and sub atomic particles such as protons, electrons & neutrons. 2.Molecular level Elements do not occur in isolated forms. Molecule The at...

Biology a global approach

In this document firstly we discuss about levels of organization . We talk about bio elements and how bio elements make an complete an organism. There are 92 naturally occurring chemical elements in which only 16 are basic elements. Then we discuss the dif...

Biology 2e

In this document I wil describe about biology and life and branches of biology.biology is the study of life . In this lecture we go through that how life exists and how we study different phenomena of organisms. Biology is further divided in to different b...

Biology