Invertebrates+2

Invertbrates are animals without a backbone. A type of Invertebrate is an arthropod.An invertebrate is an animal without a backbone. The group includes 95% of all animal species — all animals except those in the Chordate subphylum Vertebrata (fish, reptiles, amphibians, birds, and mammals). [|en.wikipedia.org/wiki/Invertebrate] earthworms, leeches, oysters are three examples of invertebrates.