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Ecosystem

5th Grade

Texas Essential Knowledge and Skills (TEKS): 5.9.a

observe the way organisms live and survive in their ecosystem by interacting with the living and non-living elements;

Texas Essential Knowledge and Skills (TEKS): 5.9.b

describe how the flow of energy derived from the Sun, used by producers to create their own food, is transferred through a food chain and food web to consumers and decomposers;

Texas Essential Knowledge and Skills (TEKS): 5.9.c

predict the effects of changes in ecosystems caused by living organisms, including humans, such as the overpopulation of grazers or the building of highways; and

Texas Essential Knowledge and Skills (TEKS): 5.9.d

identify the significance of the carbon dioxide-oxygen cycle to the survival of plants and animals.



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