Hello Everyone!!
As we all know every Thursdays we deal with E.M. and here you will find activities related to this subject.

First, click on the following link. Listen to the most important features about Ecology and Ecosystem.

https://www.khanacademy.org/science/biology/ecology/intro-to-ecology/v/ecology-introduction

Then solve the activities that appear in the link below

https://www.khanacademy.org/science/biology/ecology/intro-to-ecology/e/intro-to-ecology