Question

what is biology? is it start from a fundamental particle cell?

Answer 1

Bio- means 'life', -logy means 'study of'
so, biology means 'study of life'
http://en.wikipedia.org/wiki/Biology
Hmm, biology can study up to molecular level.

Answer 2

Biology is the science of life.
http://www.biocab.org/biology.html
it will tell you everything.

Answer 3

biology is the science of life forms and living processes.
this word is formed by combining the greek 'bios' means 'life' and suffix 'logy' means 'study', it means "the study of life" ...