Starfish belong to the same group of invertebrates that live in the sea.  These animals are echinoderms , which means …

Have you ever seen a jellyfish? It looks like an umbrella with projections, called tentacles, hanging down from the…

Characteristics of arthropods Beetles, butterflies, crabs and spiders are invertebrate animals which have legs with …

What is a Mollusk? Mollusk is an invertebrate animal with a soft body and no bones.  Snails, mussels and oyster…

Sea urchins belong to the group of invertebrates that live in the sea. These animals are echinoderms, which means &…

What do Earthworms Eat? Earthworms usually live just below the surface of the soil. As they tunnel through the earth…

Worms have soft, thin bodies with no legs. There are thousands of different kinds, or species, of worm, some ar…

Corals live in the sea, too, but they stay in one place all their life.  Corals that stretch over large areas are c…

Marine Sponges - What is a sponge? Many people when they see a sponge, think it is as a plant, not an animal.  Spo…