HS-LS2-6
Evaluate the claims, evidence, and reasoning that the complex interactions in ecosystems maintain relatively consistent numbers and types of organisms in stable conditions, but changing conditions may result in a new ecosystem.
Clarification statement: Examples of changes in ecosystem conditions could include ecological succession, modest biological or physical changes, such as moderate hunting or seasonal floods; and extreme changes, such as volcanic eruption or sea level rise.
Resources
Examples and discussion of resources for the learning, teaching, and assessment of HS-LS2-6.
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Assessment
What assessment of HS-LS2-6 might look like on a NY state exam.
Coral Reefs Sample Cluster Question 1
NGSS Dimensions
Performance expectation HS-LS2-6 was developed using the following elements from the NRC document A Framework for K-12 Science Education: