Advanced Dinosaur-themed Crossword Puzzle
 
Listed Items
- 1.  Lightweight, airy structures of a bird
- 2.  The wearing away of the land by water, wind, or other natural forces
- 3.  No longer in the environment
- 4.  A curved, pointed structure found on the hands and feet of certain animals
- 5.  A large group of animals that travel together in search of food and water
- 6.  Organism that nourishes itself on plant-based food sources
- 7.  A small body that orbits the sun
- 7.  A fossilized tree resin of a yellowish-brown color
- 8.  Bony structures in the mouth
- 9.  Bones that form the framework of the body
- 10. A dinosaur that is known for its distinctive head crest
- 11. A bipedal dinosaur known for its massive skull and powerful jaw muscles
- 12. Living thing that is killed and eaten by another
- 13. A petrified remains of an organism
- 13. An impression of a foot or shoe on the ground
- 14. Large herbivorous dinosaur with a distinctive plate on its back
- 15. A biological process by which species change over time
- 16. Organism that captures and consumes other living things
- 17. A stony or metallic mass from space that has fallen to Earth's surface