Ecological Niche in Environment Ecology UPSC | Definition, Types, Examples, PYQs Complete topic!

Описание: Ecological niche is one of the most important and confusing concepts in Environment and Ecology for UPSC aspirants. In this video, we explain ecological niche in a simple and exam-oriented manner, starting from the definition of ecological niche UPSC to its role in ecosystem functioning.
You will clearly understand fundamental niche vs realized niche, types of ecological niche, and difference between habitat and niche with easy examples. The video also covers niche overlap, resource partitioning, and the competitive exclusion principle, which are frequently asked in UPSC Prelims MCQs.
We also link ecological niche with current affairs relevance for UPSC 2026 and discuss PYQ-based insights to help you avoid common mistakes. This video is useful for UPSC Prelims as well as GS Paper 3 Environment & Ecology.
Best suited for beginners, repeaters, and those revising ecology concepts for UPSC.


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00:00 – Ecological Niche for UPSC Prelims – Why Students Get Confused
00:48 – Niche vs Habitat – The Most Common Mistake Explained
01:21 – What Is a Niche? Functional Role in an Ecosystem
02:19 – No Two Species Share the Same Niche – The Rule & Why
03:23 – Epiphytes & Commensalism – Real-World Niche Example
04:17 – Spatial, Trophic & Multidimensional Niche – Types Explained
04:50 – Fundamental vs Realized Niche – Key Difference
06:24 – Specialist vs Generalist Species – Leopard Example
07:00 – Niche Overlap & Competitive Exclusion Principle
07:50 – UPSC PYQ Solved: Which Term Describes Functional Role?


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