MS.ESS3.C ecosystem. (HS-LS2-1),(HS-LS2-2) Assessment does not include Species LS2.C: Ecosystem Dynamics, deriving mathematical equations Genetic relative MS.ESS3.D (HS-LS2-7); MS.ESS2.E Functioning, and Resilience to make comparisons.] Adaptation complex set of interactions HS-LS2-2. Use mathematical Dynamics within an ecosystem can representations to support and Functioning keep its numbers and types of revise explanations based on Resilience organisms relatively evidence about factors Speciation constant over long periods of time affecting biodiversity and Extinction under stable conditions. If a populations in ecosystems of modest biological or physical different scales. [Clarification disturbance to an ecosystem Statement: Examples of occurs, it may return to its mathematical representations more or less original status (i.e., include finding the average, the ecosystem is resilient), as determining trends, and using opposed to becoming a very graphical comparisons of multiple different ecosystem. Extreme sets of data.] [Assessment fluctuations in conditions or the Boundary: Assessment is size of any population, however, limited to provided data.] can challenge the functioning of HS-LS2-6. Evaluate the claims, ecosystems in terms of resources evidence, and reasoning that the and habitat availability. complex interactions in ecosystems maintain relatively anthropogenic consistent numbers and types of changes (induced by human organisms in stable conditions, activity) in the but changing conditions may habitat destruction, result in a new ecosystem. pollution, introduction of invasive [Clarification Statement: Examples species, overexploitation, and of changes in ecosystem climate change—can disrupt an conditions could include modest ecosystem and threaten the biological or physical changes, survival of some species. such as moderate hunting or a (HS-LS2-7) seasonal flood; and extreme LS2.D: Social Interactions and changes, such as volcanic eruption Group Behavior or sea level rise.] behavior has evolved HS-LS2-7. Design, evaluate, and because membership can refine a solution for reducing the increase the chances of survival for impacts of human activities on individuals and their the environment and
ecosystem. (HS-LS2-1),(HS-LS2-2) LS2.C: Ecosystem Dynamics, Functioning, and Resilience complex set of interactions within an ecosystem can keep its numbers and types of organisms relatively constant over long periods of time under stable conditions. If a modest biological or physical disturbance to an ecosystem occurs, it may return to its more or less original status (i.e., the ecosystem is resilient), as opposed to becoming a very different ecosystem. Extreme fluctuations in conditions or the size of any population, however, can challenge the functioning of ecosystems in terms of resources and habitat availability. anthropogenic changes (induced by human activity) in the habitat destruction, pollution, introduction of invasive species, overexploitation, and climate change—can disrupt an ecosystem and threaten the survival of some species. (HS-LS2-7) LS2.D: Social Interactions and Group Behavior behavior has evolved because membership can increase the chances of survival for individuals and their Assessment does not include deriving mathematical equations to make comparisons.] HS-LS2-2. Use mathematical representations to support and revise explanations based on evidence about factors affecting biodiversity and populations in ecosystems of different scales. [Clarification Statement: Examples of mathematical representations include finding the average, determining trends, and using graphical comparisons of multiple sets of data.] [Assessment Boundary: Assessment is limited to provided data.] HS-LS2-6. Evaluate the claims, evidence, and reasoning that the complex interactions in ecosystems maintain relatively consistent numbers and types of organisms in stable conditions, but changing conditions may result in a new ecosystem. [Clarification Statement: Examples of changes in ecosystem conditions could include modest biological or physical changes, such as moderate hunting or a seasonal flood; and extreme changes, such as volcanic eruption or sea level rise.] HS-LS2-7. Design, evaluate, and refine a solution for reducing the impacts of human activities on the environment and MS.ESS3.C MS.ESS3.D (HS-LS2-7); MS.ESS2.E Species Genetic relative Adaptation Dynamics Functioning Resilience Speciation Extinction