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Across 2. The arrangement of food, water, shelter, and space suitable to an organism's needs. 5. A plant that uses the sun's energy to produce food through photosynthesis. 8. The total number more of animals a given area is able to support 12. The ability to do work 13. A resource that can be replaced in a relatively short time (i.e. wood, water, wind, solar energy etc.) 15. Readily decomposing by natural biological processes 16. An organism's place or role in it's natural community. 18. Most active during the day 20. The wearing away of earth or rock by various agents or forces, particularly water or air 27. A specific arrangement of color in which increases its survivability. 31. Animals that are killed and eaten by other animals. 32. A consumer which eats both plants and animals. 33. The number of particular species in a defined area 34. The physical and chemical decomposition of rocks caused by weather. 35. Series of continuous changes which return to a starting point

Down 1. Materials found in nature that are used by people (i.e sunshine, water soil etc.) 3. An animal that feeds on dead plants or animals. 4. Natural resources that do not replenish themselves readily. 5. Referring to the forces within the earth that cause the movement of the crust resulting in earthquakes volcanoes faulting etc. 6. Those plants and animals that are in danger of getting extinct 7. Animals with backbones including 5 groups, amphibians, birds, fish, mammals and reptiles. 9. The passage of chemical energy (food) from producers to consumers 10. Those animals without backbones including 11. A Characteristic (physical or behavioral) that improves chance of survival in a particular habitat 14. A break in the earth's crust where one side moves against the other, resulting in a earthquake 17. Living on land. 19. A group of living things which are generally found together within an ecosystem 21. The process by which green plants utilize sunlight to make food from carbon dioxide. 22. An organism that breaks down or decomposes materials into simpler forms (i.e sunlight moisture, changes in temperature, etc.) 23. A series of significant changes in appearance and body structure in an organism's life cycle 24. Everything that surrounds an organism, including living(biotic) and non-living(abiotic) matter 25. A personal or social moral code 26. Tribe of Indians who roamed from coast to desert. 28. The imitation of one organism of another organism. 29. A system of interconnecting food chains 30. An organism that feeds on living materials.