NGSS · Life Science · Grades 6–8 (Middle School)

MS-LS4-2 Anatomical Similarities & Evolution

Apply scientific ideas to construct an explanation for the anatomical similarities and differences among modern organisms and between modern and fossil organisms to infer evolutionary relationships.

Kentucky 8-LS4-2 uses the same wording.

Teach MS-LS4-2 with a mystery

The Whale’s Hidden Hand cover
Science Unlocked lesson set The Whale’s Hidden Hand A whale has no arms and no legs. Yet its flipper hides an upper arm bone, forearm bones, wrist bones, and finger bones, and many whales carry tiny hip bones that are not joined to the backbone. 1 week · $3.00 · Grades 6–8 See what’s inside
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More Life Science standards

MS-LS1-1Cells: Living Things Are Made of CellsPhenomenon: Built From CellsMS-LS1-2Cells: Cell Parts & Organelles ModelPhenomenon: Cell Parts at WorkMS-LS1-3Body Systems & SubsystemsPhenomenon: Systems in SpaceMS-LS1-4Animal Behaviors & Plant Structures for ReproductionPhenomenon: Raising the OddsMS-LS1-5Genetic & Environmental Factors in GrowthPhenomenon: Growing GiantsMS-LS1-6Photosynthesis: Matter & EnergyPhenomenon: Garden in a Bottle