Across
- 5. ostrich, penguins, and emu fall into this category
- 8. definition for the way babies are born when mother lay eggs
- 9. this is what separates vertebrates from invertebrates.
- 10. amphibians that do not have a tail
- 11. this animal is worm like but is apart of the amphibian group
- 12. this feature sets mammal apart from other vertebrate groups
- 14. mammals that develop in their mothers uterus
- 16. the group that fish, amphibians, reptiles, birds, and mammals are grouped into
- 17. an organ that allows fish to stay afloat by gas filling in this organ
- 19. largest mammal
- 21. organism who regulate their body temperature
- 22. largest reptile
- 23. this specialized organ is an extension to the lungs to help with breathing and flight in birds
- 25. birds bodies are coverd in what?
- 26. this kind of reptile is the only one to have a shell
Down
- 1. group of birds that fly
- 2. a name for mammals that lay eggs
- 3. mammal who develop in their mothers pouch
- 4. This is what animals do through gills, lungs, or skin.
- 6. largest land mammal
- 7. definition for babies being born from mothers' womb
- 8. eat plant and animals
- 11. sharks and rays fall into this category of fish
- 13. salamanders and newts fall into this category
- 15. this vertebrate group can be found in either terrestrial or humid environments
- 18. eat plant material
- 20. organisms who cannot regulate their body temperature
- 24. eat other animals
- 27. holds up and protects the body
