Across
- 2. They have a waterproof exoskeleton(insescts, scorpions, and spiders are apart of this group)
- 4. starfish, brittlestars, sea cucumbers and sea urchins, all belong to this class.
- 6. They live in and out of the water
- 8. They are birds
- 11. This class are flatworms
- 12. They are bony fish
- 13. they have dry, scaly, skin
- 14. the most known creature of this class is the earthworm
Down
- 1. Sharks and rays belong to this class of chordates
- 3. Jellyfish, sea anemones, and coral polyps all belong, to this class.
- 5. They are all warm-blooded
- 7. This class are "roundworms"
- 8. Is a Jawless Fish
- 9. Snails, slugs, oysters, and mussels are one
- 10. they are commonly called sponges