UPSC CSE - GS
Free courses
Science & Technology
Lesson 3 of 5 • 4 upvotes • 11:06mins
This lesson describes what an ecosystem is.
5 lessons • 50m
Course overview
3:34mins
Introduction to Ecology and Organisms
11:10mins
Ecosystem
11:06mins
Population
11:29mins
Population interactions
13:29mins