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.
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Assessment Anchor - S8.B.1
Structure and Function of Organisms
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Anchor Descriptor - S8.B.1.1
Describe and compare structural and functional similarities and differences that characterize diverse living things.
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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).
