Invertebrates
An invertebrate is different from other animals because they do not have a back bone . I classified invertebrates into insects, spiders, and other invertebrates. 98% of all animals are invertebrates. There are about 1500 species of star fish that are found on the sea bed in all of the words oceans. Crabs live in all the words oceans, fresh water, and on land. A cuttle fish has large W shaped pupils, eight arms, and two tentacles.
Image found at www.edupic.net
Image found at www.edupic.net