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human settlement in cities are fast expanding . do your consider them to from an ecosystem and ecosystem of what kind natural or human made? state three positive aspects of urban ecosystem. |
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Answer» Answer: An ecosystem is a community of living things interacting with nonliving things. Examples INCLUDE forests, lakes, soils, and coral REEFS. A CITY is an urban ecosystem. People are among the living things, and the BUILDINGS, streets, and other structures that people build are among the nonliving things. |
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