"Axolotls in Peril".

3. A creature studies extensively in the lab to help scientists understand better.
5. Something that becomes an important symbol.
10. A interconected food chain or what eat within ecosystem.
11. Are made from waven rafts anchored in shallow water.
12. Change over time, to develop the ability to regenerate lost body parts.
15. Species eat other species.
17. Something that results good.
18. Unhatched offspring develops inside the egg.
20. Helps filter and clean contaminated water.
22. It's a frilly salamander.

1. The area located on a high flat plateau, surrounded by mountain and volcanos.
2. Species need a moist enviroment to live.
4. Explaining if your evidence supports your claim.
6. Community of organisms interacting with each other.
7. Retaining juvenile features even when grow up.
8. Something thats reconizable.
9. The ability to regrow body parts.
11. A answer to a scientific question.
13. Support or counter a scientific theory or hypothesis.
14. Extracts oxygen from the water so the animal can breath underwater.
15. People who once lived in the region.
16. The immature form of the animal hatches.
18. When there no remaining members of a species.
19. Reproduced and eventually develop or change their genetic code.
21. A district of mexico city.