Readings demonstrate the relevancy of ecological concerns in each chapter.
In response to adopter and reviewer comments, cellular respiration and photosynthesis each have their own chapter coverage. The more than 1,000 pieces of vivid, full-color artwork features numerous new and revised illustrations and photographs. Botanical coverage has been updated with this new edition. New topics cover various types of photosynthesis and asexual propagation in the laboratory. A new system assigns a number to each main heading.