1. Have backbone., 2. Drink mum's milk., 3. Go through metamorphosis., 4. Have scales and live in water or on land., 5. Have feathers., 6. Have scales and only live in water., 7. Have 2 wings and 2 legs., 8. Born with gills, but later have lungs., 9. Have hair or fur., 10. Have fins and gills., 11. It's the only group that don't lay eggs., 12. Are warm-blooded and have a beak., 13. Turtles, lizards, crocodiles are some examples., 14. Born without legs, but later have four., 15. Are warm-blooded and humans belong to this group., 16. Are cold-blooded and always lay eggs on land., 17. Are cold-blooded and lay eggs only in water..

Vertebrates Features

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