科技大爆炸

1 英语原意

TAXONOMIC RANKS 分类等级

Scientists use taxonomy as a way to group species based on their traits and characteristics. Often times, different species may have different common names depending on where they are in the world. Using the scientific names of species based on their taxonomic ranks allows for scientists to keep species straight and write about them without confusion!
科学家使用分类学作为根据物种的特征和特征对物种进行分组的一种方式。很多时候，不同的物种可能有不同的通用名称，这取决于它们在世界上的位置。根据物种的分类等级使用物种的学名可以让科学家保持物种的直截了当，并在没有混淆的情况下写下它们！

Domain: The highest rank and most general rank. Domain is split into three groups: Bacteria, Archaea (single-celled organisms) and Eukarya, which animals belong to.
最高等级和最一般等级。域分为三组：细菌、古细菌（单细胞生物）和真核生物，动物属于它们。

Kingdom: The second highest taxonomic rank. For instance, the kingdom Animalia comprises all animals.
界：第二高的分类等级。例如，动物界包括所有动物。

Phylum: A primary division within a kingdom. An example in animals would be the phylum Chordata, encompassing vertebrates.
门：界级别内的主要部分。动物里面的脊索动物。

Class: The rank we focus on in this article. The six main classes are Mammals, Birds, Reptiles, Amphibians, Fish, and Invertebrates.
纲：六个主要类别是哺乳动物、鸟类、爬行动物、两栖动物、鱼类和无脊椎动物。

Order: Organisms are grouped based on broad similarities. For example, the order Carnivora includes carnivorous animals like lions and bears.
目：生物体根据广泛的相似性进行分组。例如，食肉目包括狮子和熊等食肉动物

Family: A rank more specific than order. For instance, the family Felidae groups all cat species together.
科：比如猫科动物

Genus: A way to group species with structural similarities or other common attributes. For instance, the genus Panthera comprises big cats like lions and tigers.

Species: The most detailed level of classification, pinpointing a specific organism. An example would be Panthera leo, which refers to the lion.

Now on to a list of the 6 main animal types, or classes, along with some examples and pictures of each one. 

2 中文解释

动物分类等级，分类学根据生物之间相同、相异的程度与亲缘关系的远近，使用不同等级特征，将生物逐级分类。

动物分类系统，由大而小有界(Kingdom)、门(Phylum)、纲(Class)、目(Order)、科(Family)、属(Genus)、种(Species)等几个重要的分类等级（分类阶元）(category)。任何一个已知的动物均可无例外地归属于这几个阶元之中。