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Across 1. A group of similar organisms that can mate with each other and produce offspring that can also mate and reproduce. 5. The shaking that results from the movement of rock beneath Earth's surface 7. A break in Earth's crust along which rocks move. 8. A Major belt of volcanoes that rims the Pacific Ocean. 9. A type of rock that forms when particles from other rocks or the remains of plants and animals are pressed and cemented together. 11. The process of grouping together items that are alike in some way. 13. Liquid magma that reaches the surface. 14. The transfer of thermal energy by the movement of a fluid . 15. The struggle between organisms to survive as they attempt to use the same limited resources in the same place at the same time . 16. A state of matter that has no definite shape but has a definite volume . 17. The record of an earthquake's seismic waves produced by a seismograph. 19. The layer of hot,solid material between Earth's crust and core.

Down 2. The organism that does killing in a predation interaction. 3. a consumer that obtaiins energy by eating both plants and animals. 4. Energy that an object had due to its motion. 6. a non-living part of an organism habitat. 10. A chemical that kills insects and other crop destroying organisms. 12. An inherited behavior or physical characteristic that helps an organism survive and reproduce in its environment . 15. An organism that obtains energy by feeding on other organisms. 18. A straight line used to represent a light wave.