There are 6 groups of invertebrates:
- SPONGES (Esponjas)
- JELLYFISH (Medusas) and CORALS (Corales).
-WORMS (Gusanos)
-MOLLUSKS (Moluscos): Snail, octopus
-ECHINODERMS (Equinodermos): Starfish
-ARTHROPODS (Artrópodos): Spider, ant, crab, ladybird
