Across
- 5. Blood vessel that has big size but thin wall
- 8. A process of magma cools down to form a solid
- 9. The animal that is eaten by another animal
- 11. Bone that protects lungs and heart
- 13. Harmful substances in environment
- 14. Sedimentary rock that is made of shell of animal
- 15. Organism in a food web
Down
- 1. Characteristic of all igneous rock
- 2. Type of animal based on their food that only eats plant
- 3. Animal that hunts and eats another animal
- 4. A copy of animal body part made of mineral that is found in sedimentary rock
- 6. The main source of energy for producer in a food chain
- 7. Intrusive igneous rock
- 10. Pumping blood
- 12. The process of liquid turns into gas