Disciplinary Core Ideas: Students who demonstrate Connections to Essential Science Science Demos, Structure and Function understanding can: other DCIs and Vocabulary Assessment Labs/Activities Articulations (Highlight Probes denotes District Content Vocabulary) LS1.A: Structure and Function HS-LS1-1. Construct an Systems of specialized cells explanation based on evidence Connections: DNA HS.LS3.A (HS-LS1-1) within organisms help them for how the structure of DNA Molecules perform the essential functions of determines the structure of Genes Articulations: life. (HS-LS1-1) proteins which carry out the DNA Code MS.LS1.A All cells contain genetic essential functions of life through Proteins MS.LS3.A (HS-LS1-1); information in the form of DNA systems of specialized cells. Multicellular MS.LS3.B (HS-LS1-1) molecules. Genes are regions in [Assessment Boundary: Hierarchical the DNA that contain the Assessment does not Feedback instructions that code for the include identification of specific mechanism formation of proteins, which carry cell or tissue types, whole body (Positive and out most of the work of cells. systems, specific protein Negative) (Note: This Disciplinary Core structures and functions, or the Nutrient uptake Idea is also addressed by biochemistry of protein synthesis.] Water delivery HS-LS1-2. Develop and use a Organism Multicellular organisms have a model to illustrate the movement hierarchical structural hierarchical organization of Neural stimuli organization, in which any one interacting systems that provide Homeostasis system is made up of numerous specific functions within parts and is itself a component of multicellular organisms. the next level. (HS-LS1-2) [Clarification Statement: Emphasis Feedback mechanisms maintain a is on functions at the organism living system’s internal system level such as nutrient conditions within certain limits and uptake, water delivery, and mediate behaviors, allowing organism movement in response it to remain alive and functional to neural stimuli. An example of even as external conditions an interacting system could be an change within some range. artery depending on the proper Feedback mechanisms can function of elastic tissue and encourage (through positive smooth muscle to regulate and feedback) or discourage (negative deliver the proper amount of
Disciplinary Core Ideas: Structure and Function 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 LS1.A: Structure and Function Systems of specialized cells within organisms help them perform the essential functions of life. (HS-LS1-1) All cells contain genetic information in the form of DNA molecules. Genes are regions in the DNA that contain the instructions that code for the formation of proteins, which carry out most of the work of cells. (Note: This Disciplinary Core Idea is also addressed by Multicellular organisms have a hierarchical structural organization, in which any one system is made up of numerous parts and is itself a component of the next level. (HS-LS1-2) Feedback mechanisms maintain a living system’s internal conditions within certain limits and mediate behaviors, allowing it to remain alive and functional even as external conditions change within some range. Feedback mechanisms can encourage (through positive feedback) or discourage (negative HS-LS1-1. Construct an explanation based on evidence for how the structure of DNA determines the structure of proteins which carry out the essential functions of life through systems of specialized cells. [Assessment Boundary: Assessment does not include identification of specific cell or tissue types, whole body systems, specific protein structures and functions, or the biochemistry of protein synthesis.] HS-LS1-2. Develop and use a model to illustrate the hierarchical organization of interacting systems that provide specific functions within multicellular organisms. [Clarification Statement: Emphasis is on functions at the organism system level such as nutrient uptake, water delivery, and organism movement in response to neural stimuli. An example of an interacting system could be an artery depending on the proper function of elastic tissue and smooth muscle to regulate and deliver the proper amount of Connections: HS.LS3.A (HS-LS1-1) Articulations: MS.LS1.A MS.LS3.A (HS-LS1-1); MS.LS3.B (HS-LS1-1) DNA Molecules Genes DNA Code Proteins Multicellular Hierarchical Feedback mechanism (Positive and Negative) Nutrient uptake Water delivery Organism movement Neural stimuli Homeostasis
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