八年级上第五单元内容主要涵盖了动物的主要类群、动物的运动行为、动物在生物圈中的作用、细菌真菌及病毒等相关知识。临近期末,为保证较高的学习效率,提高复习质量,对以上所涉生物学知识提出如下复习建议:1.第一章动物的主要类群的复习一定把握好口诀“动物两大类、特点要记清、代表动物是什么、与人关系怎么样”。其中“动物两大类”是指根据动物体内有无脊柱分成了无脊椎动物(腔肠动物、扁形动物、 The eighth unit contains the fifth major elements of the main groups of animals, animal movement, the role of animals in the biosphere, bacterial fungi and viruses and other related knowledge. Near the end of the period, in order to ensure a higher learning efficiency and improve the quality of the review, the following biological biology knowledge is suggested as follows: 1. The first chapter of the review of major groups of animals must grasp the good formulas “two major categories of animals, characteristics To remember, what is the animal, what is the relationship with the people? ” Which “animal two categories ” refers to the animal according to whether the spine into invertebrates (coelenterate, flat animals,