Activity 1
1. True
2. True
3. False
4. True
5. True
Activity 3
Arthropods: insects, crustaceans, millipedes, centipedes, horseshoe crabs, arachnids
Mollusks: Octopus, Cuttlefish, snails, slugs, squid
Echinoderms: starfish, brittle stars, sea cucumbers, sea urchins, sand dollars,
Sponges: Porifera, Glass Sponges, demosponges
