This book explores biodiversity in a clear and simple way. It begins by explaining what biodiversity means and why it matters for ecosystems and human life. The book covers the different levels of biodiversity—from genes to species and entire ecosystems. It highlights global patterns, showing where biodiversity is richest and most at risk, especially in hotspots that need urgent protection. Readers will also learn how biodiversity supports us through services like pollination, nutrient cycling, climate regulation, and cultural value. Alongside challenges, the book points to strategies for conservation and sustainable use. Written in an accessible style, it serves as a guide for understanding biodiversity and protecting it for the future.