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Subject Area - 3:
Science and Technology and Engineering Education
  • Standard Area - 3.1: Biological Sciences
  • Organizing Category - 3.1.A: Organisms and Cells
  • Grade Level - 3.1.7.A: GRADE 7
Standard - 3.1.7.A5

Explain how the cell is the basic structural and functional unit of living things.

Eligible Content:
28 Total
Materials & Resources
  • Assessment Anchor - S7.A.1 Reasoning and Analysis
    • Anchor Descriptor - S7.A.1.1 Explain, interpret, and apply scientific, environmental, or technological knowledge presented in a variety of formats (visuals, scenarios, graphs).
      • Eligible Content - S7.A.1.1.1 Distinguish between a scientific theory and a general opinion, explaining how a theory is supported with evidence.
      • Eligible Content - S7.A.1.1.2 Develop questions that can be answered through scientific inquiry and/or technological design.
      • Eligible Content - S7.A.1.1.3 Use evidence such as observations or experimental results to support inferences.
      • Eligible Content - S7.A.1.1.4 Use evidence to develop descriptions, explanations, and models.
    • Anchor Descriptor - S7.A.1.2 Identify and explain the impacts of applying scientific, environmental, or technological knowledge to address solutions to practical problems.
      • Eligible Content - S7.A.1.2.1 Describe the positive and negative effects (both intended and unintended) of scientific results or technological developments.
        Continuum of Activities
        Materials & Resources
    • Anchor Descriptor - S7.A.1.3 Identify and analyze evidence that certain variables may have caused measurable changes in natural or human-made systems.
      • Eligible Content - S7.A.1.3.1 Describe how variables can cause changes in a system over time.
      • Eligible Content - S7.A.1.3.2 Use evidence, observations, or explanations to make inferences about changes in systems over time (e.g., carrying capacity, succession, fossil evidence in the geologic time scale).
  • Assessment Anchor - S7.A.2 Processes, Procedures, and Tools of Scientific Investigations
    • Anchor Descriptor - S7.A.2.1 Apply knowledge of scientific investigation or technological design in different contexts to make inferences, solve problems, and/or answer questions.
      • Eligible Content - S7.A.2.1.1 Use evidence from investigations to clearly describe relationships and communicate and support conclusions.
      • Eligible Content - S7.A.2.1.2 Identify a design flaw in a simple technological system and devise possible working solutions.
    • Anchor Descriptor - S7.A.2.2 Select and safely use appropriate tools and describe the information provided by each tool.
      • Eligible Content - S7.A.2.2.1 Describe the safe and appropriate use of instruments and scales to accurately and safely make measurements under a variety of conditions.
      • Eligible Content - S7.A.2.2.2 Apply measurement systems to record and interpret observations under a variety of conditions.
      • Eligible Content - S7.A.2.2.3 Describe ways technology is used to enhance scientific study and/or human life.
  • Assessment Anchor - S7.A.3 Systems, Models, and Patterns
    • Anchor Descriptor - S7.A.3.1 Explain the parts of a simple system, their roles, and their relationships to the system as a whole.
      • Eligible Content - S7.A.3.1.1 Describe a system (e.g., ecosystem, circulatory system, agricultural system) as a group of related parts with specific roles that work together to achieve an observed result.
      • Eligible Content - S7.A.3.1.2 Explain the concept of order in a system (e.g., first to last manufacturing steps; trophic levels; simple to complex—levels of biological organization from cell to organism).
      • Eligible Content - S7.A.3.1.3 Distinguish between system inputs, system processes, system outputs, and system feedback.
      • Eligible Content - S7.A.3.1.4 Identify examples of open- and closedlooped systems.
    • Anchor Descriptor - S7.A.3.2 Apply knowledge of models to make predictions, draw inferences, or explain technological concepts.
      • Eligible Content - S7.A.3.2.1 Make inferences based on scientific models (e.g., charts, graphs, diagrams).
      • Eligible Content - S7.A.3.2.2 Describe how engineers use models to develop new and improved technologies to improve scientific study and/or human life.
    • Anchor Descriptor - S7.A.3.3 Describe repeated processes or recurring elements in natural, scientific, and technological patterns.
      • Eligible Content - S7.A.3.3.1 Describe patterns as repeated processes or recurring elements in natural and human-made systems.
  • Assessment Anchor - S7.B.1 Structure and Function of Organisms
    • Anchor Descriptor - S7.B.1.1 Describe and compare structural and functional similarities and differences that characterize diverse living things.
      • Eligible Content - S7.B.1.1.1 Describe levels of biological organization from cell to organism.
      • Eligible Content - S7.B.1.1.2 Describe how specific structures in living things (from cell to organism) help them function effectively in specific ways (e.g., chlorophyll in plant cells— photosynthesis; root hairs—increased surface area; beak structures in birds— food gathering; cacti spines—protection from predators).
      • Eligible Content - S7.B.1.1.3 Explain how characteristic similarities and differences (from cell to organism) are used to identify and/or categorize organisms.
    • Anchor Descriptor - S7.B.1.2 Compare methods of reproduction.
      • Eligible Content - S7.B.1.2.1 Explain how cells arise from the division of a pre-existing cell.
      • Eligible Content - S7.B.1.2.2 Compare various basic sexual and asexual reproductive processes (e.g., budding, cuttings).
      • Eligible Content - S7.B.1.2.3 Explain why the life cycles of different organisms have varied lengths.
  • Assessment Anchor - S7.C.2 Forms, Sources, Conversion, and Transfer of Energy
    • Anchor Descriptor - S7.C.2.1 Describe how energy flows through the living world.
      • Eligible Content - S7.C.2.1.1 Describe how energy is obtained and used by organisms throughout their lives.
      • Eligible Content - S7.C.2.1.2 Describe how energy is transferred and conserved in a closed system.
      • Eligible Content - S7.C.2.1.3 Describe energy transformations within an ecosystem.
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