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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 - 3.1.8.A: GRADE 8
Standard - 3.1.8.A9

  • Compare and contrast scientific theories.
  • Know that both direct and indirect observations are used by scientists to study the natural world and universe.
  • Identify questions and concepts that guide scientific investigations.
  • Formulate and revise explanations and models using logic and evidence.
  • Recognize and analyze alternative explanations and models.
  • Explain the importance of accuracy and precision in making valid measurements.

  • Assessment Anchor - S8.B.1

    Structure and Function of Organisms

    • Anchor Descriptor - S8.B.1.1

      Describe and compare structural and functional similarities and differences that characterize diverse living things.

      • Eligible Content - S8.B.1.1.1 Describe the structures of living things that help them function effectively in specific ways (e.g., adaptations, characteristics).
      • Eligible Content - S8.B.1.1.2 Compare similarities and differences in internal structures of organisms (e.g., invertebrate/vertebrate, vascular/nonvascular, singlecelled/ multi-celled) and external structures (e.g., appendages, body segments, type of covering, size, shape).
      • Eligible Content - S8.B.1.1.3 Apply knowledge of characteristic structures to identify or categorize organisms (i.e., plants, animals, fungi, bacteria, and protista).
      • Eligible Content - S8.B.1.1.4 Identify the levels of organization from cell to organism and describe how specific structures (parts), which underlie larger systems, enable the system to function as a whole.
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