约 2,990,000 个结果
在新选项卡中打开链接
Insect | Definition, Characteristics, Types, Beneficial, Pest ...
2024年12月7日 · Insect, any member of the class Insecta, the largest class of phylum Arthropoda. Insects have segmented bodies, jointed legs, and exoskeletons. They are distinguished from other arthropods by their body, which has three major regions: the head, the three-segmented thorax, and the many-segmented abdomen.
Insects: The Ultimate Guide. Pictures, Facts & Info For Kids
2019年10月16日 · What Is An Insect? An insect is an animal in the class Insecta (a ‘class’ is a group of related organisms. See this page–Animal Classification–for more information). There are an estimated 1,053,578 known insect species (), making Insecta by far the largest class in terms of number of species.By comparison the class Mammalia (the mammals) contains around 6,000 living species, and the ...
- 某些结果已被删除一些您可能无法访问的结果已被隐去。显示无法访问的结果