Lesson 6 of 18 • 831 upvotes • 13:52mins
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
18 lessons • 5h 17m
Introduction to Environment and Ecology Part 1.1
20:30mins
Environment and Ecology Part 1.2
22:02mins
Environment and Ecology Part 1.3
13:53mins
Environment and Ecology Part 1.4
15:16mins
Environment and Ecology Part 1.5
13:51mins
Environment and Ecology Part 1.6
13:52mins
Environment and Ecology Part 1.7
14:10mins
Environment and Ecology Part 1.8 - Biogeochemical Cycles
14:46mins
Environment and Ecology Part 1.9 - Species
18:35mins
Biodiversity 2.1: An Introduction
17:35mins
Biodiversity 2.2.1: Biomes- Introduction, Desert and Tropical Rainforest
19:55mins
Biodiversity 2.2.2: Biomes (Continued)
20:24mins
Biodiversity 2.2.3: Tropical and Temperate grasslands, Taiga and Tundra
20:15mins
Biodiversity 2.2.4: Mediterannean, Mangrove, Warm, Cold Temperate East margin type
16:31mins
Biodiversity 2.3: Loss of Biodiversity
22:01mins
Biodiversity 2.4: Coral Reefs and Ecotourism
17:07mins
Conservation of Biodiversity 2.5.1
20:07mins
Conservation of Biodiversity 2.5.2
17:04mins