Chapter 10 Habitats and Niches I.Teaching Objective: 1.Mater the concepts of habitat and niche. 2.Help the students to know the fact of habitat loss IL.Focal Points and Difficulties in the Chapter(教学重点和难点) 1.Focus The niche of an organism is a complete description of how the organism fits into its physical and biological environment.Everyone need a niche 2.Difficulties Hutchinson'sn-dimensional hypervolume niche III.Methodology Powerpoint presentation will be the main method.Blackboard will be an assistance.Fifteen minutes'discussion will be arranged.Some beautiful diagrams have been prepared for visualization. IV Presentation(课堂讲解，学时分配为2学时左右) Step 1.Warm-up Activity List the main causes and facts of habitat loss 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 underline the difficult words or structures and raise their questions concerning any difficulties their may have in their understanding of the text.the teacher is responsible for helping them resolve the above problems. Discussion organization(twenty minutes) Does everyone need a niche?