Relier Pairs InvertebratesVersion en ligne Learn more about invertebrates par Luz Álvarez Herrero 1 ECHINODERMS 2 ANNELIDS 3 ARTHROPODS 4 JELLYFISH 5 MOLLUSCS 6 SPONGES They have a long, soft body divided into segments. Example: Earthworm Soft body called umbrella and long tentacles They are the most common group on Earth. The biggest group are insects. Example: crab, ladybug They stay on the seabed They have a soft muscular body Examples: snail and octopus They are protected from predators by hard skin or spikes Examples: Starfish