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Across 1. worm like stage in the life cycle of an insect 5. an organism in the food chain that breaks down the remains of dead organisms 7. characteristics that develop as an organism interacts with its environment 9. the path of energy in an ecosystem 11. a series of overlapping food chains 12. changes in shape and form some organisms go through durng their life cycles 13. an animal that hunts down other animals 15. the environment in which an animal or plant lives 19. traits passed from parent to offspring 20. a group of one type of an organism that can mate and produce offspring 21. an animal that is hunted down and eaten by other animals 23. any material that an organism needs for survival 25. a physical adaptation in which animals blend with or are hidden by the environment 26. an organism, such as a plant, that can make its own food 27. an animal that eats both plants and animals 28. an area where living organisms interact with each other and nonliving things in the environment

Down 2. the process by which organisms produce offspring and ensure survival of a species 3. the chyrsalis stage of a butterfly 4. actions that develop as an organism interacts with the environment 6. no longer living 8. carbon dioxide-oxygen cycle 10. the role or job ofan organism in an ecosystem 14. the cycle in which nitrogen gas is changed into forms of nitrogen that plants can use 16. stages of development an organism goes through as it grows and develops 17. a trait that helps an organism survive and reproduce 18. an animal that only eats other animals 22. the number of organisms of a prticular species in a community 24. a feature of an organism