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lunes, 3 de octubre de 2016

UNIT 1: ECOSYSTEMS- 4th grade

Ecosystems are communities of organisms that interact with each other and with their physical environment.

Ecosystems have living (biotic) and non living (abiotic) components.

Abiotic= non-living: rain, sunlight, temperature, minerals in the soil.

Biotic= living: Animals-Consumers, Plants-Producers and Bacteria-Decomposers.

Biotic and Abiotic factors work together for an ecosystem to survive and flourish.

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