Click to edit Master title style,Click to edit Master text styles,Second level,Third level,Fourth level,Fifth level,*,Biology:What Is the Study of Life?,Biology:What Is the Study of,1,Why Study Biology?,Two important reasons for studying Biology:,Biology is relevant to our everyday experience,Medical advances,Addressing needs of growing human population,Challenges of decreasing rate of biodiversity,Biotechnology advances,Why Study Biology?Two importan,2,Why Study Biology?,Biology can be controversial,Examples:,Dealing with endangered species?,Use of human fetal tissue in biomedical research?,Safety of irradiated foods?,Figure 1-1c,Why Study Biology?Biology can,3,What is Biology?,It is the study of life.,Branch of science,A way of understanding nature.,A human endeavor,An attempt to understand,explain,integrate and describe the world of living things.,What is Biology?It is the stud,4,What is Life?,Living organisms:,Highly organized and complex.,Are composed of one or more cells.,Contain a blueprint of their characteristics.,Acquire and use energy.,Carry out and control numerous reactions.,What is Life?Living organisms:,5,What is Life?,Living organisms:,Grow.,Maintain constant internal environment.,Produce offspring.,Respond to environmental changes.,May evolve.,Insert F01_03b,What is Life?Living organisms:,6,Biology is a Branch of Science,Both an activity and body of knowledge.,A way of understanding the natural world.,Scientists make predictions and test those predictions.,Biology is a Branch of Science,7,Major Themes in Biology,Evolution by Natural Selection,Inheritance,Cells,Biological Classification,Bioenergetics,Homeostasis,Ecosystems,Major Themes in BiologyEvoluti,8,How is Biology studied?,Insert F01-06,How is Biology studied?Insert,9,Scientific Method,Begins with,observations,about our surroundings.,Next,ask,questions,about the phenomena we are observing.,Scientific MethodBegins with o,10,Scientific Method,Followed by generating a,hypothesis.,Tentative explanation to the question.,Scientific MethodFollowed by g,11,Scientific Method,Testing,Scientists perform tests to determine the accuracy of their hypothesis.,Scientific MethodTesting,12,Scientific Method,Explanation,It is a hypothesis that has passed the widest and most comprehensive series of tests.,Still subject to review and consideration.,May be elevated to a,theory=well demonstrated principle.,Scientific MethodExplanation,13,