More than two thousand alphabetically arranged entries cover topics in subjects ranging from cell metabolism and nutrition to organic and physical chemistry.

Incorporating the new terms and research compiled in the last few years in this field, The Facts On File Dictionary of Biology, Fourth Edition clearly defines the basic principles and terms used in this widely studied branch of science. Approximately 300 new entries have been added to reflect new information, and current entries and back matter have been revised as needed. Pronuciation symbols have been added, and many photographs have been replaced. Pairing rich content with an accessible format, this science dictionary is ideal for high school and college classrooms and libraries, and will be useful to specialists and laypeople alike.

Defines more than 5,000 terms used in the field of environmental science.

A dictionary containing over 2,000 terms and concepts related to botany.

A dictionary containing over 1,800 terms and concepts related to evolutionary biology.

Defines more than 1900 terms, and serves the research needs of both the student and the advanced researcher.

The only available paperback dictionary of zoology. This dictionary is a comprehensive and up-to-date reference work on all aspects of the study of animals. With over 5,000 entries, it is ideal for students and will be invaluable to amateur naturalists and all those with an interest in the subject. - ;This is the only available paperback dictionary of zoology. This dictionary is a comprehensive and up-to-date reference work on all aspects of the study of animals. Now with over 5,000 entries, it is ideal for students and will be invaluable to amateur naturalists and all those with an interest in the subject. It is illustrated with clear line drawings, and supported by useful appendices on the genetic code, endangered animals, and SI units. Wide coverage including animal behaviour, ecology, physiology, genetics, cytology, evolution, Earth history, zoogeography. Full taxonomic coverage of arthropods, other invertebrates, fish, reptiles, amphibians, birds, and mammals. Completely revised to incorporate the discovery of `extremophiles' - organisms living in environments formerly considered impossibly hostile - and the toxonomic reclassification that this has entailed. Featuring entires on genetics, evolutionary studies, and mammalian physiology. -