HS-LS2-3

Construct and revise an explanation based on evidence for the cycling of matter and flow of energy in ecosystems.

Clarification statement: Emphasis is on conceptual understanding of the role of aerobic and anaerobic respiration and photosynthesis within ecosystems.

Assessment boundary: Assessment does not include the specific chemical processes of aerobic respiration, anaerobic respiration, and photosynthesis.

Resources

Examples and discussion of resources for the learning, teaching, and assessment of HS-LS2-3.

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Assessment

What assessment of HS-LS2-3 might look like on a NY state exam.

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NGSS Dimensions

Performance expectation HS-LS2-3 was developed using the following elements from the NRC document A Framework for K-12 Science Education:

Science and engineering practices

Disciplinary core ideas

Crosscutting concepts

Connections to Other Standards

HS-LS2-3 connections to ELA, math, and other science standards as outlined by the NYS Education Department:

Page contributors:

Biology | HS. Matter and Energy in Organisms and Ecosystems