Chapter 38 - Conservation biology. This chapter presents the following content: Biodiversity is a vital resource that is being lost; biodiversity includes genetic, species, and ecosystem diversity; habitat destruction, invasive species, and overexploitation are major threats to biodiversity;. | Chapter 38 Conservation Biology PowerPoint Lectures for Biology: Concepts & Connections, Sixth Edition Campbell, Reece, Taylor, Simon, and Dickey Lecture by Brian R. Shmaefsky Copyright © 2009 Pearson Education, Inc. Introduction: Saving the Tiger Conservation biology is a goal-oriented science – It seeks to counter the biodiversity crisis – It can focus on a single species – It can also protect many species at once by preserving habitats and ecosystems Conservation biology touches all levels of ecology – From a single tiger – To the forest it roams Copyright © 2009 Pearson Education, .