Examines the characteristics of living organisms， describing the features of an insect， reptile， fish， bird， mammal， and plant， as well as such unusual creatures as bacteria， polyps， mollusks， and worms.Examines the characteristics of living organisms， describing the features of an insect， reptile， fish， bird， mammal， and plant， as well as such unusual creatures as bacteria， polyps， mollusks， and worms.
![What Kind of Living Thing Is It [07--09]](https://img.xiaohuasheng.cn/1/Book/20181210140001756.jpg)
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