Lesson 2 of 5 • 52 upvotes • 11:34mins
In this lesson I have discussed about chapter 13 of class 12 NCERT biology.i have gone through topics like biotic and abiotic factors,types of organisms based on abiotic factors (Eury and steno).in later half of chapter I have discussed about regulators, conformers and partial regulators.
5 lessons • 48m