Underline the correct example of a given group of invertebrates.
1. Insects (Starfish, Spider, Butterfly)
2. Arachnids (Scorpion, Squid, Leeches)
3. Crustaceans (Jellyfish, Lobster, Planaria)
4. Myriapods (Centipede, Moth, Slug)
5. Arthropods (Clams, Flukes, Dragonfly)