lunes, 18 de octubre de 2010

Summary 2: Living Things and Their Environment

Living things and non-living things form an ecosystem. The non-living elements of the ecosystem are called abiotic factors and they are water, minerals, sunlight, climate, air and soil.  Living things in an ecosystem can be grouped in populations and communities that are common to one area. Each part of the ecosystems contributes with its part so the ecosystem function properly.

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