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Texas Essential Knowledge and Skills (TEKS)

Ecosystem

Grade: 5th Grade
Standard:

5.9.A

Description:

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

Standard:

5.9.B

Description:

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;

Standard:

5.9.C

Description:

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

Standard:

5.9.D

Description:

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

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