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Across 2. The science of life 5. group of cells with similar abilities and that alow the organ to function 6. tiny structures that carry out functions that necessary for the cell to stay alive 8. the stable internal conditions of a living thing 9. The sum of all chemical processes in living things 10. High degree of order within an organisim's internal and external parts and in its interactionswith the living world 11. the production of new offspring 12. structures that carry out specializedjobs within an organ system 14. organisims made up of multiple cells such as humans and trees 15. the formation of two cells from one existing cell

Down 1. chemical compound that provideus physical structure and bring about movement energy use and other cellular functions 3. The process by which an organism grows 4. Smallest unit that can perform all life's processes 7. organisims made up of one cell such as bacteria 13. a segment of DNA that contains coding for a polypeptide or protein; a unit of hereditary information