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Across 1. The place that can support the life of an organism. 5. Waste from plants and animals including their dead remains. 8. Plants lose water through their leaves by this process. 11. First law of this states that energy can be transformed from one form to another but not destroyed. 12. The total dry mass of all the living things in an ecosystem. 13. Carbon dioxide is a major cause for this world problem. 14. A diagram the shows either the number, mass, or energy in an ecosystem. 15. A plant or animal that shows signs of small but harmful changes in an ecosystem. 16. A process that converts inorganic chemicals to organic chemicals without solar energy. 22. The reduction on a species in a food chain or ecosystem that affects all organisms and causes this. 24. An animal that strictly eats other animals. 25. The planting of a single species in an area. 26. The area around the earth that supports life. 27. Living. 29. Reflectivity of the surface of the earth. 30. A layer around the world that acts as ozone.

Down 2. This is formed by sulfur dioxide, nitrous oxides and water. 3. Type of molecule that has a positive and negative end. 4. The useable form of nitrogen. 6. Is the first to eat producers and is a herbivore. 7. A type of system that has continuous changes but adjusts without disturbing the entire system. 9. This process uses CO2, H2O, and energy to make C6H12O6 and O2. 10. The number of different species in an ecosystem. 11. Category in a food chain that describes how much energy is at each level. 17. An animal that strictly eats other plants. 18. The movement of water through the biosphere is a ______ cycle. 19. All plants and animals need a variety of these to survive. 20. Any organism that can NOT produce it's own food. 21. The movement of a liquid through a porous material. 23. From the Greek meaning "self-feeder." 28. Dead plant matter containing carbon.