Environment and Ecology Part 1.7

Lesson 7 of 18 • 808 upvotes • 14:10mins

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Roman Saini

Another awesome video in the Environment and Ecology series by Roman Saini. Here the video covers homeostasis, negative feedback loops, ecological pyramids and other awesome stuff. In this video, Dr. Roman deals with food web, interaction between organisms in a food chain, soil food web, Consumer: quaternary, tertiary, secondary, primary, producers, negative feedback mechanism: cybernetics, homeostasis, ecological pyramids, three types of ecological pyramids i.e pyramid of number: exceptions of inversion: tree, parasitic, pyramid of biomass: Exception: aquatic ecosystem, pyramid of energy, limitations of ecological pyramids, rules regarding ecology: (allen’s rule, bergman rule, jorden rule, gloger rule, renschs rule Still if you are left with any doubt, ask at his facebook page http://facebook.com/romansaini.official Video by Unacademy for IAS Preparation. How to prepare for IAS exam, Best IAS Coaching, IAS Civil Services Syllabus, Study Material for IAS Exam, IAS Civil Services Exam, UPSC Preparation, Tips for IAS, Material for IAS Preparation, UPSC Exam Material, IAS How to prepare, Other good resources: Mrunal and Clearias , IAS preparation tips, How to prepare for IAS 2015

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1

Introduction to Environment and Ecology Part 1.1

20:30mins

2

Environment and Ecology Part 1.2

22:02mins

3

Environment and Ecology Part 1.3

13:53mins

4

Environment and Ecology Part 1.4

15:16mins

5

Environment and Ecology Part 1.5

13:51mins

6

Environment and Ecology Part 1.6

13:52mins

7

Environment and Ecology Part 1.7

14:10mins

8

Environment and Ecology Part 1.8 - Biogeochemical Cycles

14:46mins

9

Environment and Ecology Part 1.9 - Species

18:35mins

10

Biodiversity 2.1: An Introduction

17:35mins

11

Biodiversity 2.2.1: Biomes- Introduction, Desert and Tropical Rainforest

19:55mins

12

Biodiversity 2.2.2: Biomes (Continued)

20:24mins

13

Biodiversity 2.2.3: Tropical and Temperate grasslands, Taiga and Tundra

20:15mins

14

Biodiversity 2.2.4: Mediterannean, Mangrove, Warm, Cold Temperate East margin type

16:31mins

15

Biodiversity 2.3: Loss of Biodiversity

22:01mins

16

Biodiversity 2.4: Coral Reefs and Ecotourism

17:07mins

17

Conservation of Biodiversity 2.5.1

20:07mins

18

Conservation of Biodiversity 2.5.2

17:04mins

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