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Across 3. A region of land with characteristic climate, soil and organisms 4. A group of organisms of the same species in an ecosystem 5. The non-living components of an ecosystem. Example: Wind, Sun, Water, etc 7. All the organisms living in a particular area, as well as all the nonliving, physical components of the environment with which they interact

Down 1. A single living thing 2. A group of different populations interacting in an ecosystem 6. The living components of an ecosystem