ECOSYSTEMS: INTERACTIONS, ENERGY AND DYNAMICS Performance Expectation Design, evaluate, and refine a solution for reducing the impacts of activities on the environment and biodiversity. Clarification Statement Examples of human activities can include urbanization, building dams, or dissemination of invasive species. Science & Engineering Practices Disciplinary Core Ideas Crosscutting Concepts Asking questions and defining problems ECOSYSTEM DYNAMICS, STABILITY AND CHANGE FUNCTIONING, AND RESILIENCE Much of science deals with Developing and using models constructing explanations of how Ecosystems with a greater biodiversity tend to have a greater Planning and carrying out investigations things change and how they remain resistance and resilience to change. Moreover, anthropogenic changes (induced stable. Analyzing and interpreting data by human activity) in the environment—including habitat destruction, Using mathematics and computational thinking pollution, introduction of invasive species, overexploitation, and Constructing explanations and designing climate change—can disrupt an ecosystem and threaten the survival solutions: Constructing explanations (science) of some species. (HS.LS2C.b) and designing solutions (engineering) in 9–12 BIODIVERSITY AND HUMANS builds on K–8 experiences and progresses to Biodiversity is increased by the formation of new species explanations and designs that are supported by (speciation) and decreased by the loss of species (extinction). multiple and independent student-generated Humans depend on the living for the resources and other sources of evidence benefits provided consistent with scientific ideas, principles, and by biodiversity. Human activity is also having adverse impacts theories. on biodiversity through overpopulation, overexploitation, Design, evaluate, and/or refine a solution to a habitat complex real-world problem, based on scientific destruction, pollution, introduction of invasive species, and climate knowledge, student-generated sources of change. Thus, sustaining biodiversity so that ecosystem functioning evidence, prioritized criteria, and tradeoff and productivity are maintained is essential to supporting and considerations. enhancing life on Earth. Sustaining biodiversity also aids humanity by preserving landscapes of recreational or inspirational value. Engaging in argument from evidence (HS.LS4D.a) Obtaining, evaluating, and communicating DEVELOPING POSSIBLE SOLUTIONS information When evaluating solutions it is important to take into account a range of constraints including cost, safety, reliability and aesthetics and to consider social, cultural and environmental impacts.
ECOSYSTEMS: INTERACTIONS, ENERGY AND DYNAMICS Performance Expectation Design, evaluate, and refine a solution for reducing the impacts of activities on the environment and biodiversity. Clarification Statement Examples of human activities can include urbanization, building dams, or dissemination of invasive species. Science & Engineering Practices Disciplinary Core Ideas Crosscutting Concepts Asking questions and defining problems Developing and using models Planning and carrying out investigations Analyzing and interpreting data Using mathematics and computational thinking Constructing explanations and designing solutions: Constructing explanations (science) and designing solutions (engineering) in 9–12 builds on K–8 experiences and progresses to explanations and designs that are supported by multiple and independent student-generated sources of evidence consistent with scientific ideas, principles, and theories. Design, evaluate, and/or refine a solution to a complex real-world problem, based on scientific knowledge, student-generated sources of evidence, prioritized criteria, and tradeoff considerations. Engaging in argument from evidence Obtaining, evaluating, and communicating information ECOSYSTEM DYNAMICS, FUNCTIONING, AND RESILIENCE Ecosystems with a greater biodiversity tend to have a greater resistance and resilience to change. Moreover, anthropogenic changes (induced by human activity) in the environment—including habitat destruction, pollution, introduction of invasive species, overexploitation, and climate change—can disrupt an ecosystem and threaten the survival of some species. (HS.LS2C.b) BIODIVERSITY AND HUMANS Biodiversity is increased by the formation of new species (speciation) and decreased by the loss of species (extinction). Humans depend on the living for the resources and other benefits provided by biodiversity. Human activity is also having adverse impacts on biodiversity through overpopulation, overexploitation, habitat destruction, pollution, introduction of invasive species, and climate change. Thus, sustaining biodiversity so that ecosystem functioning and productivity are maintained is essential to supporting and enhancing life on Earth. Sustaining biodiversity also aids humanity by preserving landscapes of recreational or inspirational value. (HS.LS4D.a) DEVELOPING POSSIBLE SOLUTIONS When evaluating solutions it is important to take into account a range of constraints including cost, safety, reliability and aesthetics and to consider social, cultural and environmental impacts. STABILITY AND CHANGE Much of science deals with constructing explanations of how things change and how they remain stable.
DBR%20Life%20Science%20standards.docx