Across
- 4. Ecological takeover of species that gets transported from different countries
- 5. Extinct relatives of tetrapods
- 8. Worlds greatest dinosaur hunter
- 16. What caused the extinction of dinosaurs
- 17. One of the large temnospondyls in Triassic
- 18. How many lava lakes are there
- 21. Deadliest man predator
- 22. Diverse group of vertebrates
- 23. Distinguishes male from female sharks
- 24. Only group of tetrapods where their shoulder blade is inside ribs
- 27. Where was the first T-Rex found by barnum brown
- 28. Type of water that moves species by boat
Down
- 1. Group of vertebrates that have a watertight egg
- 2. Limb loss tetrapods
- 3. Provides anchorage for powerful muscles and teeth
- 6. Led to the evolution of sharks
- 7. Body of water where most species lie from ballast water
- 9. Earliest group of vertebrates to achieve widespread success as predators
- 10. What gas is fueling the microbes in point dume
- 11. T-Rex grows up to how many feet long
- 12. Which placoderms that have 2 pairs of tooth plates with sharp cutting edges
- 13. Relative of crocodiles and alligators
- 14. Earliest group of vertebrates to evolve powered flight
- 15. Biggest vertebrate
- 19. 16S rRNA gene for microbes is known as what gene
- 20. Largest turtle species
- 25. Worlds most active lava lake is located in
- 26. How many species of microbes