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K–12 Standards

High School Biology Essence Statements (2026)

Other Texas STAAR sets

Biological Structures, Function, and Processes1

  • 1

    Biology (5) Science concepts. The student knows that biological structures at multiple levels of organization perform specific functions and processes that affect life. (Readiness and Supporting Standard)1.1

  • 2

    Biology (6) Science concepts. The student knows how an organism grows and the importance of cell differentiation. (Readiness and Supporting Standard)1.2

  • 3

    Biology (11) Science concepts. The student knows the significance of matter cycling, energy flow, and enzymes in living organisms. (Readiness and Supporting Standard)1.3

  • 4

    Biology (12) Science concepts. The student knows that multicellular organisms are composed of multiple systems that interact to perform complex functions. (Readiness and Supporting Standard)1.4

Mechanisms of Genetics2

  • 1

    Biology (7) Science concepts. The student knows the role of nucleic acids in gene expression. (Readiness and Supporting Standard)2.1

  • 2

    Biology (8) Science concepts. The student knows the role of nucleic acids and the principles of inheritance and variation of traits in Mendelian and non-Mendelian genetics. (Readiness and Supporting Standard)2.2

Biological Evolution3

  • 1

    Biology (9) Science concepts. The student knows evolutionary theory is a scientific explanation for the unity and diversity of life that has multiple lines of evidence. (Readiness and Supporting Standard)3.1

  • 2

    Biology (10) Science concepts. The student knows that evolutionary theory is a scientific explanation for the unity and diversity of life that has multiple mechanisms. (Readiness and Supporting Standard)3.2

Interdependence within Environmental Systems4

  • 1

    Biology (13) Science concepts. The student knows that interactions at various levels of organization occur within an ecosystem to maintain stability. (Readiness and Supporting Standard)4.1

Frequently asked questions

What grade levels do these standards cover?
Grade 9, Grade 10, Grade 11, and Grade 12

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