Unit - 3 

Geographical distribution of animals; Land and aquatic animals; Corals and coral reefs; Importance and threats to biodiversity 

Video lectures (Watch the video files with headphone for audio clarity and note the points in course journal (CJ), submit the same to course teacher & get signed) (to know what is CJ click HERE). To find the key points that should be there in CJ, click HERE

1. The principles and fundamentals of geographic distribution of animals (Lect 49)

2. Theories of geographical distribution of animals (Lect 50)

3. World geographical distribution of animals (Lect 51)

4. Indian geographical distribution of animals (Lect 52)

5. Characteristic features of land and aquatic animals (Lect 53)

6. Distribution of animals in terrestrial and aquatic environments (Lect 54)

7. Primary and secondary aquatic adaptation of animals (Lect 55)

8. Flight adaptation in birds (Lect 56)

9. Coral and coral reefs, their importance, and threats to its biodiversity (Lect 57 and Lect 58)

10. Biodiversity, their types, and biodiversity rich regions of the world (Lect 59)

11. Role of biodiversity in ecosystem health and sustainability (Lect 60)

12. Threats to biodiversity (Lect 61)

13. Major threats by humans to biodiversity (Lect 62) 

14. Impact of habitat destruction on biodiversity loss (Lect 63)

15. Biodiversity conservation in protected areas (Lect 64)

NOTE: Lectures in bright white indicate important topics and lectures in dull grey indicate topics of lesser importance