Unit 5 Into the Wild Understanding ideas 课件-2023-2024学年高一英语外研版（2019）必修第一册

1. What phenomenon is mentioned in the video? 2. What is “animal migration” ? Animal migration Animal migration refers to the movement of a species(物种) from one habitat(栖息地) to another in response to seasonal changes to the environment. Migration happens in all parts of the animal kingdom, from fish and insects to birds, reptiles(爬行动物) and mammals(哺乳动物). Before reading Watch and say Do you know the names of these animals? monarch butterfly Siberian crane red panda Atlantic salmon Killer whale African lion /sai'bɪərɪən/ /kreɪn/ /ət'læntɪk/ /'sæmən/ 西伯利亚鹤 salmon：鲑鱼，三文鱼 虎鲸、逆戟鲸 Look and choose the animals that migrate. monarch butterfly Siberian crane red panda Atlantic salmon Killer whale African lion √ √ √ √ The scientists have solved the mystery of how monarch butterflies manage to travel a long distance and find their way to their destination. while-reading Para.1 ①What is migration? Migration is an ______ movement in which many animals move from __________________. ②Which one is NOT the reason why animals migrate? A. to find something to eat B. to look for a company C. to search for warmer place D. to go travelling food partner weather annual one place to another The definition(定义) & reasons of migration Read for the content Tip: 阅读中常见选项的同义改写 Para.2 When and where do they migrate? Routine （惯例） Time: ___________________ Place: Travel around 4000 km (_______) to California or Mexico Every autumn/fall south Migration of the monarch Para.3 Complete the cause-effect(因果) flow charts P69 the time of day the way to go the position of sun the places where it will spend the winter. a/c c/a b cause effect The mystery of the monarch's migration Para. 4 cut down natural environment of many places kill the plants has crashed e/g g/e f cause effect Trouble of the monarch & the reasons Para.5 What measures do people take to help protect the monarch butterfly? Raise a greater awareness of this creature B. Work together to record its