Chapter 1 Introduction: Themes in the Study of Life Overview: Inquiring About the World of Life Evolution is the process of change that has transformed life on Earth Biology is the scientific study of life Biologists ask questions such as: How a single cell develops into an organism How the human mind works How living things interact in communities Copyright ? 2008 Pearson Education, Inc., publishing as Pearson Benjamin Cummings Fig. 1-1 Fig. 1-2 Life defies a simple, one-sentence definition Life is recognized by what living things do Video: Seahorse Camouflage Copyright ? 2008 Pearson Education, Inc., publishing as Pearson Benjamin Cummings Order Evolutionary adaptation Response to the environment Reproduction Growth and development Energy processing Regulation Fig. 1-3