Unit-3 

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

1. Download about - Principles and fundamentals of Geographical distribution of Animals

2. Download about - Theories of Geographical distrubution of animals

3. Download about - World Geographical distribution of animals; Indian Geographical distribution of animals

4. Download about - Characteristic features of land and aquatic animals; Distribution of animals in terrestrial and aquatic environments; Primary and secondary aquatic adaptation of animals;  flight adaptation in birds

5. Download about - Coral and coral reefs and threats, Biodiversity, their types and biodiversity rich regions of the world; Biodiversity as essential for ecosystem health and stability; threats to biodiversity; Major threats by humans to biodiversity; Impact of habitat destruction on biodiversity loss; Biodiversity conservation strategies in protected areas

NOTE: Text in bright white indicate important topics and text in dull grey indicate topics of lesser importance