Standards Detail
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Subject Area - 3:
Science and Technology and Engineering Education
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.1.1.1 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).
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Alternate Eligible Content - S8.B.1.1.3a Categorize plants or animals based on characteristic structures (e.g., seeds, leaves, fruits or mammals, invertebrates, birds).
Alternate Eligible Content is designed for students assessed using the PA Alternate System of Assessment (PASA). Essentialized Example resources assist teachers in designing instruction that reduces content complexity while maintaining alignment to academic standards.
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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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