Performance expectationEvaluate the evidence for the role of group behavior on individual and species' chances to survive and reproduce.
Emphasis is on: (1) distinguishing between group and individual behavior, (2) identifying evidence supporting the outcomes of group behavior, and (3) developing logical and reasonable arguments based on evidence. Examples of group behaviors could include flocking, schooling, herding, and cooperative behaviors such as hunting, migrating, and swarming.
Every item written to HS-LS2-8 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.
Engaging in Argument from Evidence
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.