None of the above - it's an invertebrate ! Which is why I moved the question into the worms category from snakes !
Answer
Indeed, all worms are invertebrates whereas all the groups you mention in your question are classes of vertebrate. Specifically, earthworms are annelids, coming from the phylum of segmented worms, Phylum Annelida.
No, there are also insects, worms, arachnids, fish, amphibians, birds and mammals.
Fish, and then amphibians, and then reptiles, and then mammals
Amphibians , reptiles , mammals along with birds are included in Tetrapod Vertebrates .
Sharks are not amphibians, mammals, or reptiles. They are a type of fish known as cartilaginous fish, as their skeletons are made of cartilage instead of bone.
No they are not mammals. Amphibians and Reptiles are other classes of animals at the same level as the mammals. Mammals have hair, are warm blooded and give birth to live young. Amphibians and reptiles reproduce using eggs.
Now That Is Just Ridiculous. Everyone Knows That Rhinos Are Mammals. Not Reptiles And Amphibians. So It Is Neither Of Them. They Are Mammals.
reptiles and amphibians have the most in common
Neither...They were reptiles. dinosaurs were nether amphibians or mammals they were all reptiles, though they are more closely related to birds.
They are mammals.
1:fish 2: amphibians 3: reptiles 4: birds 5: mammals
Lambs are mammals.
Warmblooded: mammals, birdsColdblooded: reptiles, amphibians, fishThe five broad classifications of vertebrates are mammals, fish, birds, reptiles and amphibians.