昆虫和蠕虫都是无脊椎动物。Insects and worms are all invertebrates.在蚯蚓和许多其它无脊椎动物中, 这些排泄结构称为肾管.In the earthworm and many other invertebrates, these excretory structures are called nephridia.公园里的本地特有的脊椎动物和无脊椎动物也很多.Endemism of vertebrate...