Structure introductory pages: large-format, appealing photos for the main chapters. Basic pages: clear structures, precise teaching of subject knowledge, mnemonics for important connections and definitions, tasks to consolidate the content. Practical pages: numerous experiments that actively involve the students. Method pages: important working and subject methods. Extra pages: material for consolidation and level differentiation as a basis for discussion and assessment assignments. Test-yourself pages: self-monitoring tasks and solutions in the appendix of the book. The overview: systematizing and cross-linking summaries of the basic knowledge. Further-thought-up task pages: differentiating, material-bound tasks. Information on the series: the modern, subject-systematically structured textbook Fachwerk Biologie combines sound subject knowledge with contemporary teaching.