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MS-LS4-4

Page history last edited by Megan Cannon 4 years, 6 months ago

MS-LS4-4 Biological Unity and Diversity
Students who demonstrate understanding can: Construct an explanation based on evidence that describes how genetic variations of traits in a population increase some individuals’ probability of surviving and reproducing in a specific environment.
Clarification Statement: Emphasis is on using simple probability statements and proportional reasoning to construct explanations.
Assessment Boundary: The assessment should provide evidence of students’ abilities to explain why some traits are suppressed and other traits become more prevalent for those individuals better at finding food, shelter, or avoiding predators.
Crosscutting Concepts	Science & Engineering Practices	Disciplinary Core Ideas
Cause and Effect: Phenomena may have more than one cause, and some cause and effect relationships in systems can only be described using probability.	Constructing Explanations (for science) and Designing Solutions (for engineering): Constructing explanations and designing solutions in 6–8 builds on K–5 experiences and progresses to include constructing explanations and designing solutions supported by multiple sources of evidence consistent with scientific ideas, principles, and theories. Construct an explanation that includes qualitative or quantitative relationships between variables that describe phenomena.	Natural Selection: Natural selection leads to the predominance of certain traits in a population, and the suppression of others.