线形植物和环节植物教案(国外英文资料).docVIP

线形动物和环节动物教案(国外英文资料) A collective lesson plan Delivery date: no. 2 coursework The fifth unit of the biosphere The first chapter?? The main groups of animals Section 2??? Linear animals and annelids Class form The new teaching Class number 2 class The main man The teaching goal Knowledge of the target Identify linear animals and link animals. To outline the main characteristics of linear animals and animals and their relationship with humans. Ability to target Try to study animals using observational and experimental methods. Use biology to describe line animals and link animals. Emotional goal The basic biological basic idea of morphological structure, physiological function and life behavior of animal body and its adaptation to living environment are preliminarily formed. Get in the habit of living well. Form the consciousness of loving animals, loving nature and protecting the environment. Teaching important points The difficulties and Emphasis: the morphological characteristics of roundworms and earthworms and the main characteristics of linear animals and annelids. Teaching difficulties: the main characteristics of linear animals and annelids and the appearance and movement of earthworms. Preparation before class PPT courseware The teaching process (including project introduction, teaching process, teaching summary) The first class note Import new lessons The picture shows the worms image, and the student observes and names the animal. Thinking: the worm lives in the human gut, why isnt it digested by human digestive juices? Lets take a look at the morphological features of the worm. Second, teach new courses The linear animals (1) recognizing the morphological structure of the worm In the large screen, the students can look at the worm and ask the students to summarize the morphological features of the worm: Male and female, the body is thin and cylindrical, the ends gradually become thin. The living insect body is milky white. Males are smaller, 15-25cm long a