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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Regents Exam Questions
Released New York State Regents exam questions that assess HS-LS2-6 are listed here by exam and question cluster. Each link opens the question with its answer key.
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NGSS Dimensions
Performance expectation HS-LS2-6 was developed using the following elements from the NRC document A Framework for K-12 Science Education:
Connections to Other Standards
HS-LS2-6 connections to ELA, math, and other science standards as outlined by the NYS Education Department: