Biomes of the World: Distribution, Characteristics and Ecological Significance
The Biomes of the World – tropical rainforests, grasslands, deserts, tundra, taiga, climate factors, biodiversity, and ecological significance.
Ecological Pyramids: Structure, Function and Energy Relationships in Ecosystems
Types, trophic levels, energy flow, biomass, ecological efficiency, and ecosystem dynamics.
Food Chain and Food Web: Structure, Functions and Ecological Significance
Trophic levels, energy flow, ecological pyramids, biomagnification, and ecosystem stability.
Ecosystem Components: Structure, Functions and Interrelationships
Ecosystem Components – Biotic and abiotic factors, energy flow, food chains, nutrient cycling, and ecological terminologies.
Human–Environment Interaction: Adaptation, Possibilism, Sustainability and Contemporary Challenges
Human–Environment Interaction covering environmental determinism, possibilism, climate change, resource depletion, adaptation, and sustainable development.




