Chapter 7 Behavioral Ecology I.Teaching Objective 1.Know something about basie behavioral ecology 2.Help the students to master Optimisation theory and Games theory. .Focal Points and Difficulties in the Chapter(教学重点和难点) 1.Focus Games theory can be used to interpret behaviour when the benefits of an individual behaving in a certain way depend on what other individuals are doing.One behaviour which 2.Difficulties Behavioural:the study of how the behaviour of individuals enables reproduce in their environments. II.Methodology Powerpoint presentation will be the main method.Blackboard will be an assistance.Some beautiful diagrams have been prepared for visualization. V Presentation(课堂讲解，学时分配为1学时左右) Step 1.Warm-up Activity List the main vocabulary in the chapter and explain Let the students have a understanding about the main problems discussed in the chapter Step 2.The students are required to finish reading the whole text before the class and try to understand the major points of the chapter.The students are supposed to