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

MS-LS2-4 Ecosystem Changes Affect Populations

Construct an argument supported by empirical evidence that changes to physical or biological components of an ecosystem affect populations.

Kentucky 8-LS2-4 uses the same wording.

Teach MS-LS2-4 with a mystery

The Vanishing Kelp Forest cover
Science Unlocked lesson set The Vanishing Kelp Forest Off Northern California, an underwater forest of tall bull kelp stretched for about 350 km. In 2014 it began to vanish, and within about a year more than 90% was gone. Nobody cut it down. 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