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3-LS4-2

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

3-LS4-2 Biological Unity and Diversity
Students who demonstrate understanding can: Use evidence to construct an explanation for how the variations in characteristics among individuals of the same species may provide advantages in surviving and reproducing.
Clarification Statement: Examples of cause and effect relationships could be plants that have larger thorns than other plants may be less likely to be eaten by predators; and, animals that have better camouflage coloration than other animals may be more likely to survive and therefore more likely to leave offspring.
Assessment Boundary: N/A
Crosscutting Concepts	Science & Engineering Practices	Disciplinary Core Ideas
Scale, Proportion, and Quantity: Observable phenomena exist from very short to very long time periods.	Constructing Explanations (for science) and Designing Solutions (for engineering): Constructing explanations and designing solutions in 3–5 builds on K–2 experiences and progresses to the use of evidence in constructing explanations that specify variables that describe and predict phenomena and in designing multiple solutions to design problems. Use evidence (e.g., observations, patterns) to construct an explanation.	Natural Selection: Sometimes the differences in characteristics between individuals of the same species provide advantages in surviving, finding mates, and reproducing.