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Across 5. The intake of materials into the body 7. The production of more organisms 9. The maintenance of a constant internal environment such as temperature and water content 10. The permanent increase in body size and dry mass of an organism 11. Detection of changes in the external environment of an organism and its responses

Down 1. A living thing 2. The removal of waste produced by cells, often toxic 3. The chemical process in which glucose is broken down inside cells - releasing energy 4. An organism shows all 7 of these if it is considered to be living 6. A change in the position of all or part of an organism 8. The organism that only displays one of the characteristics of life