WebVertebrates have a backbone, but invertebrates do not. Except for the chordates, all animal phyla consist only of invertebrates. Chordates include both vertebrates and invertebrates. Review State how the phylum Chordata differs from other animal phyla. Compare and contrast invertebrates and vertebrates. WebJohn Markham. Adult animals that have soft, elongated, often tubelike bodies and that lack backbones are commonly called worms. Worms are so different from one another that zoologists do not classify them …

Neuroscience for Kids - Invertebrate Nervous System

WebThe absence of a backbone is the main trait that distinguishes invertebrates from vertebrates, or animals that have backbones. Apart from the absence of a backbone, however, invertebrate groups have little in common with each other; rather, they make up a highly diverse and largely unrelated group of animals. Lobsters, insects, spiders, worms ... WebWorms do not have a backbone because they are invertebrates. but they have a spinal cord. The spinal cord is made up of nerve cells and connects all the body parts together. … mcm football

Do earthworms have backbones? - Answers

WebQ. Earthworms have ___ hearts that help pump blood through their body. WebEarthworms are harmless, often beneficial residents of the soil. Earthworms breakdown dead and decaying organic matter into rich humus soil, thereby supporting plant growth. They also dig tiny channels and … WebThe 5 groups of vertebrates (animals that have a backbone) are fish, amphibians, reptiles, birds, and mammals. Invertebrates are animals that do not have a backbone. A spider … mcm food services