"For want of a nail, the shoe was lost." We've all heard that story. Big things are made of small things, and global ecosystems rely on tiny pollinators like bees. Bees pollinate most of the world's flowering plants. Without them, many food chains would collapse-and so would many human industries. This book is designed to show youngsters the concept of keystone species. It introduces the different types of bees and explains their indispensable role in our world. Beautiful color photos explore the world of bees and fun fact boxes explain important concepts

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