From the smallest single-celled organisms to the greatest mammals of land and sea, The DK Nature Encyclopedia describes in outstanding detail the rich diversity of life on Earth. Magnificently illustrated, and featuring dramatic time-lapse photographs, this compelling guide gives a fascinating insight into how living things evolve, feed, reproduce, and defend themselves. Explores each major plant and animal group, including flowering plants, birds, reptiles, insects, fish, and mammals. Thematic sections cover topics as varied as reproduction and survival, photosynthesis and communication. Also includes classification charts and a glossary of science terms.