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Course on Environment and Ecology for UPSC CSE IAS

18 lessons,

5h 17m

Enroll

10k

1.
Introduction to Environment and Ecology Part 1.1
20:30
2.
Environment and Ecology Part 1.2
22:02
3.
Environment and Ecology Part 1.3
13:53
4.
Environment and Ecology Part 1.4
15:16
5.
Environment and Ecology Part 1.5
13:51
6.
Environment and Ecology Part 1.6
13:52
7.
Environment and Ecology Part 1.7
14:10
8.
Environment and Ecology Part 1.8 - Biogeochemical Cycles
14:46
9.
Environment and Ecology Part 1.9 - Species
18:35
10.
Biodiversity 2.1: An Introduction
17:35
11.
Biodiversity 2.2.1: Biomes- Introduction, Desert and Tropical Rainforest
19:55
12.
Biodiversity 2.2.2: Biomes (Continued)
20:24
13.
Biodiversity 2.2.3: Tropical and Temperate grasslands, Taiga and Tundra
20:15
14.
Biodiversity 2.2.4: Mediterannean, Mangrove, Warm, Cold Temperate East...
16:31
15.
Biodiversity 2.3: Loss of Biodiversity
22:01
16.
Biodiversity 2.4: Coral Reefs and Ecotourism
17:07
17.
Conservation of Biodiversity 2.5.1
20:07
18.
Conservation of Biodiversity 2.5.2
17:04
Course ends here!

12,399 plays

Roman deals with energy flow in an ecosystem, biotic factors, food chain and much more awesome stuff. In this video, Dr. Roman deals with energy flow, exceptions: hydro-thermal ecosystem: chemoautotrophs, photosynthetically active radiation, unidirectional flow of energy, law of thermodynamics, entropy law: anarchy, instability, 10% law of Lindeman, heterotrophs, herbivores, carnivores, omnivores, special points of biotic factors: nutrient mobilisation, whale: filter feeder, vulture, insectivorous plant, man and peacock, milk or curd eating, food chain: terrestial, aquatic, Food web, Types of food chain: grazing/predatory, parasitic, detritus/saprophytic/osmotrophic, saprophytes/osmotrophs, four trophic levels, ecological pyramid. 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

Roman Saini is teaching live on Unacademy Plus

Roman Saini

Part of a great founding team at Unacademy with Gaurav, Hemesh. Movies, Guitar, Books, Teaching.

Comments

(46)

Unacademy user

thank you sir

awesome videos sir ,please for 2018 upsc please sir do grant one request of presentation of other high yield series sir .

Farishta :-)

2 years ago

what is the law of thermodynamics? I have googled it but couldn't understand... Plz, someone explain it in simple terms...

Himanshu Sharma

2 years ago

the first law is certain statement of law of conservation of energy i.e. energy can be transferred only the second law imposes a condition in transferring of energy i.e. energy whenever transformed through some process that process will never have 100% efficiency.

Farishta :-)

2 years ago

Thanks Are u trying to say less energy is transfered at the next level?

Digvijay Singh

2 years ago

yes

Farishta :-)

2 years ago

Thanks.

Biplab Bakshi

2 years ago

awesome videos sir ,please for 2018 upsc please sir do grant one request of presentation of other high yield series sir .

Biplab Bakshi

2 years ago

awesome videos sir ,please for 2018 upsc please sir do grant one request of presentation of other high yield series sir .

Biplab Bakshi

2 years ago

awesome videos sir ,please for 2018 upsc please sir do grant one request of presentation of other high yield series sir .