Performance expectationUse mathematical and/or computational representations to support explanations of biotic and abiotic factors that affect carrying capacity of ecosystems at different scales.
Emphasis is on quantitative analysis and comparison of the relationships among interdependent factors including boundaries, resources, climate and competition. Examples of mathematical comparisons could include graphs, charts, histograms, and population changes gathered from simulations or historical data sets.
Assessment does not include deriving mathematical equations to make comparisons.
Every item written to HS-LS2-1 has to assess all three dimensions together, not the content alone. This is the structural change that made older practice material stop matching the exam.
Using Mathematics and Computational Thinking
Phenomenon stimulus, connected items across the required types, answer key, rubric and figures drawn deterministically from a structured spec — in the format your students will sit.