HS-LS2-5. Develop a model to illustrate the role of photosynthesis and cellular respiration in the cycling of carbon among the biosphere, atmosphere, hydrosphere, and geosphere. [Clarification Statement: Examples of models could include simulations and mathematical models.] [Assessment Boundary: Assessment does not include the specific chemical steps of photosynthesis and respiration.] Disciplinary Core Ideas: Students who Connections to Essential Science Science Demos, Interdependent demonstrate other DCIs and Vocabulary Assessment Labs/Activities Relationships in Ecosystems understanding can: Articulations (Highlight Probes denotes District Content Vocabulary) LS2.A: Interdependent HS-LS2-1. Use mathematical Relationships in Ecosystems and/or computational Connections: Ecosystem HS.ESS2.D have carrying representations to support Carrying capacity capacities, which are limits to explanations of factors that affect Living resources HS.ESS2.E the numbers of organisms and carrying capacity of ecosystems Non-living populations they can support. at different scales. [Clarification resources HS.ESS3.A These limits result from such Statement: Emphasis is on Predation (HS-LS4-6); factors as the availability of living quantitative analysis and Competition HS.ESS3.C and nonliving resources and from comparison of the relationships Disease HS.ESS3.D such challenges such as predation, among interdependent factors Biodiversity competition, and disease. including boundaries, resources, Anthropogenic HS.ESS3.E (HS-LS4-6) Organisms would have the capacity climate and competition. Habitat to produce populations of great Examples of mathematical Articulations: destruction MS.LS1.B (HS-LS2-7); size were it not for the fact that comparisons could include Pollution MS.LS2.A environments and resources are graphs, charts, histograms, or Invasive species MS.LS2.C finite. This fundamental tension population changes gathered from affects the abundance (number of simulations or historical data individuals) of species in any given sets.] [Assessment Boundary: MS.ESS3.A (HS-LS2-1); Climate change
HS-LS2-5. Develop a model to illustrate the role of photosynthesis and cellular respiration in the cycling of carbon among the biosphere, atmosphere, hydrosphere, and geosphere. [Clarification Statement: Examples of models could include simulations and mathematical models.] [Assessment Boundary: Assessment does not include the specific chemical steps of photosynthesis and respiration.] Disciplinary Core Ideas: Interdependent Relationships in Ecosystems Students who demonstrate understanding can: Connections to other DCIs and Articulations Essential Vocabulary (Highlight denotes District Content Vocabulary) Science Assessment Probes Science Demos, Labs/Activities LS2.A: Interdependent Relationships in Ecosystems have carrying capacities, which are limits to the numbers of organisms and populations they can support. These limits result from such factors as the availability of living and nonliving resources and from such challenges such as predation, competition, and disease. Organisms would have the capacity to produce populations of great size were it not for the fact that environments and resources are finite. This fundamental tension affects the abundance (number of individuals) of species in any given HS-LS2-1. Use mathematical and/or computational representations to support explanations of factors that affect carrying capacity of ecosystems at different scales. [Clarification Statement: Emphasis is on quantitative analysis and comparison of the relationships among interdependent factors including boundaries, resources, climate and competition. Examples of mathematical comparisons could include graphs, charts, histograms, or population changes gathered from simulations or historical data sets.] [Assessment Boundary: Connections: HS.ESS2.D HS.ESS2.E HS.ESS3.A (HS-LS4-6); HS.ESS3.C HS.ESS3.D HS.ESS3.E (HS-LS4-6) Articulations: MS.LS1.B (HS-LS2-7); MS.LS2.A MS.LS2.C MS.ESS3.A (HS-LS2-1); Ecosystem Carrying capacity Living resources Non-living resources Predation Competition Disease Biodiversity Anthropogenic Habitat destruction Pollution Invasive species Climate change
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