本文介绍了脊椎动物，包括哺乳动物、鸟类、鱼类、爬行动物和两栖动物，它们因拥有脊椎而区别于无脊椎动物如昆虫和蠕虫。人类作为脊椎动物的一个例子，被明确指出不属于无脊椎动物类别。同时，文章提到了一些关于物种保护和科学分类的细节。
Vertebrate - Humans are vertebrates
noun countable
/ˈvɜːrtɪbrət/
(specialist)
any animal with a backbone, including all mammals, birds, fish, reptiles and amphibians
Without expansion , they could save around 2000 species of endangered land vertebrates.
Insects and worms are invertebrates.
countable from in- ‘without’ + Latin vertebra (from vertere ‘to turn’).
(specialist)
any animal with no backbone, for example a worm
Human beings aren't invertebrates.
See also:
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