Biology: Biology eTextbooks

The text addresses the latest findings, historical context, and debates in the field. It includes new chapters on molecular evidence and biogeography of parasitic diseases, and offers balanced coverage of continental, island, and marine biogeography.

Stream Ecology dives deep into river ecosystems, for students and professionals. This updated edition explores environmental factors, biological interactions, and human impacts on streams of all sizes. The book highlights the unifying processes within this diverse environment, while offering solutions for stream conservation.

This third edition of a standard herpetology guide for Texas covers over 200 species, includes an extensive literature review, and has updated distribution maps and references.

Enables users to identify all 783 families of insects currently recognized in the United States and Canada. Richly illustrated with more than 3,700 photos along with keys to families for many of the orders, features a comprehensive introduction that discusses classification and nomenclature, insect diversity, global threats, the latest collecting and curatorial techniques, and the many ways these remarkable organisms impact society.