Environment and Ecology Part 1.9 - Species

Lesson 9 of 18 • 788 upvotes • 18:35mins

Avatar

Roman Saini

Another awesome video in the High Yield series by Roman Saini. Still if you are left with any doubt, ask at his facebook page http://facebook.com/romansaini.official In this video, Dr. Roman deals with species, definition of ecology - Ramdeo Mishra, Environment, Population, Communities, Biological hierarchy, ecological hierarchy, organism, natural cryopresentation, mimicry, behavioural responses, tiger census - pug marks & fecal pellets, ecotone, edge effects - estuary, ecocline - physical transition zone – thermoclin, chemocline - chemical gradient, halocline - salinity gradient, pycnocline - variations in density of water, biological - phyto-climatic spectrum, biotic potential - bacteria greater than atoms in the universe in 1 year, biological hierarchy - domain, kingdom, phylum, class, order, family, genus, species, altruism - Sacrificial behaiour, communication between species - chemical signals – pheromones, tactile signals, visual signals, auditory signals, speciation, species - mule, tigon/tiglon – sterile, endemic species - Western ghats, Indo Burma, keystone species - mycorrhizae, predators - sea otter – imp. predator of sea urchins which destroy coral reefs and kelp roots, pollinators - honey bees, ecosystem engineers - prairie dog, beaver, indicator species - sentinal organism ex: lichen, exotic species, invasive species - nile perch, carrot grass, lantana, water hyacinth, african catfish Clarias, flagship species - conservation biology, umbrella species - Project Tiger. 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

Continue on app
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

Crack UPSC CSE - GS with Unacademy

Get subscription and access unlimited live and recorded courses from India's best educators
Structured syllabus
Structured syllabus
Daily live classes
Daily live classes
Ask doubts
Ask doubts
Tests & practice
Tests & practice

More from Roman Saini

thumbnail
EnglishPractice & Strategy

How to Start UPSC CSE Preparation as a Beginner

Roman Saini

Similar Plus Courses

Unacademy is India’s largest online learning platform. Download our apps to start learning


Starting your preparation?

Call us and we will answer all your questions about learning on Unacademy

Call +91 8585858585
Company
About usShikshodayaCareersBlogsPrivacy PolicyTerms and Conditions
Products
Learner appLearner appEducator appEducator appParent appParent app