1.animals with jointed legs and bodies are covered with hard-external skeleton or exoskeleton
2.an invertebrate animal that has hallow tubes with many spores
3.these animals have spines of various lengths on their bodies
4.soft-bodied animals that usually have shells
5.Segmented worms
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1. Arthropods
2. Sponges
3. Erinaceomorpha, Porcupines also have spines made from keratin that they use to protect themselves from predators.
4. Mollusks
5. Annelida