Over a decade's experience of writing in The Hindu newspaper.
Teaching in civil services coaching Institutes in Delhi from past 5 years. 

S M Umair

Preparation of Environment & Ecology subject starts with the topic Ecology. In this topic there are several important areas which shall be covered in my course.  
After watching my Ecology lectures you would have a strong conceptual clarity of basics

Crack UPSC CSE Prelims and Mains Exams. Know how to prepare for UPSC 2019 and 2020, complete syllabus, exam patterns, latest notifications to join IAS, IFS, IPS and other cadres of Civil Services.

UPSC CSE - GS

UPSC - Civil Services Examination (IAS) Preparation

English

Basics of Ecology: UPSC CSE

Ecology

Environment & Ecology

UPSC CSE

Ace the toughest competitive and government exams in India 

Test Preparation

Union Public Service Commission Exams (UPSC)

Basics of Ecology - A course to simplify your understanding of difficult topics relating to the Ecology. This course will help all those appearing for civil services exam 2020.

Overview

1.1 What is Ecology? 
This video explains in detail the definition of ecology and how the ecological interactions happen.

1.1 What is Ecology

Hierarchical Levels of Ecology range from the basic individual specie to the broader concept of Biosphere.
In this lesson we explain the terms like Individual, Population, and Community in Ecology.

1.2 Hierarchical Levels of Ecology

1.3 Ecosystem - Structure & Functions 
This lesson talks about the biotic and abiotic components forming the Structure of Ecosystem. 

Functions of Ecosystem are then taken up in energy flow and biogeochemical cycles.

1.3.1 Ecosystem - Structure & Functions

This lesson talks about the Producers, Consumers, and Decomposers and their role in an ecosystem. 
It briefly points out the flow of energy that happens in a chain just stopping short of our next lesson's topic of Food Chain, Food Web etc.

1.3.2 Ecosystem - Structure & Functions - Producers, Consumers, Decomposers

This lesson will help in understanding the concept of Food Chain in an ecosystem and its energy flow

1.3.3 Energy Flow and Food Chain

1.4 Food Web

Ecological Pyramid

Pyramid of Biomass & Energy

India's Top Geography Educator | Use invite code - 'SGYT10' to Unlock my Free Content | Explore the World of Geography like a Pro!

Sudarshan Gurjar

Here you can find all the previous years question related to Biomes!!
Highly recommended for UPSC/other exam category!!

(Hindi) MCQ's on Biomes

Here you can find all important information about Ecology basics...
Highly recommended for UPSC/MPPSC

(Hindi) Ecology and Environment

Travelling gives you 'experience' & teaching 'immortalizes' it.  Loves both :)  

Vimal Singh Rathore

In this course, each lesson contains one specific concept in Environmental Science which is important for any exam and for the general awareness.

Important Concepts in Environment and Ecology

M.Sc. Botany(Gold Medalist ),B.Ed & DCA
12+ Years Experience , mentored 10K+ students
Cleared UPPSC,PGT,TGT,CET Exam
Ex-Bio Lecturer in GIC


Juhi Mishra

In this course, Juhi Mishra discusses the concept of ecology, environment and ecosystem. The course will be beneficial for UPSC CSE aspirants.

(Hindi) Environment and Ecology: UPSC CSE

(Hindi) Ecosystem Basics for UPSC CSE

Pillai Sruthi P Kumar

This course includes explanation of environment topics important for UPSE and other government exams in simple language and in an easy way. It mainly concentrates on beginners to get them with their basics. It also aims to generate interest among the viewers on the topic and also learning with fun.

Lessons

9 lessons • 1h 33m

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Overview

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1.1 What is Ecology

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1.2 Hierarchical Levels of Ecology

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1.3.1 Ecosystem - Structure & Functions

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1.3.2 Ecosystem - Structure & Functions - Producers, Consumers, Decomposers

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1.3.3 Energy Flow and Food Chain

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1.4 Food Web

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Ecological Pyramid

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Pyramid of Biomass & Energy