Construct and interpret simple food chains and trophic relationships identifying producers, consumers, and decomposers, describe interdependent relationships between living things and their physical environments (including pollination and seed dispersal by wind, water, and animals), and explain structural and behavioral adaptations for survival.

OGS.3.SEP.4Open Global Science Standards 2026™ · 2nd Grade

Develop, construct, and use physical, pictorial, and conceptual models to represent scientific phenomena, systems, and structures (such as paper bridges, gliders, sound transmitters, stream tables, Sun-Earth-Moon systems, and life cycle models), identifying the advantages and limitations of models.