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教材和教法研究上节课“鸟类的多样性”是讲鸟类在生活习性和形态结构上的多样性。从这节课开始,是讲鸟类行为的多样性和复杂性、例如鸟类的筑巢、孵卵和育雏、鸟类的迁徙等。教材的主线是——鸟类的繁殖比爬行动物完善而复杂(课本第169页)。所以,本节教材的安排是:通过鸟类筑巢、孵卵和育雏等行为的介绍,指出鸟类比鱼类、两栖类和爬行类动物的繁育后代要优越得
Textbooks and Teaching Methodology The previous class “Diversity of Birds” was about the diversity of bird life style and morphological structure. Starting from this class, it is about the diversity and complexity of bird behaviors, such as nesting, hatching and brooding of birds, and migration of birds. The main thread of the textbook is that the reproduction of birds is more sophisticated and complicated than reptiles (books on page 169). Therefore, the arrangement of the teaching materials in this section is: through the introduction of bird nesting, hatching and brooding, it is pointed out that birds are superior to those of fish, amphibians and reptiles.