Bio.1.1 Understand the relationship between the structures and functions of cells and their organelles. Bio.1.2 Analyze the cell as a living system. Bio.2.1 Analyze the interdependence of living organisms within their environments. Bio.2.2 Understand the impact of human activities on the environment (one generation affects the next). Bio.3.1 Explain how traits are determined by the structure and function of DNA. Bio.3.2 Understand how the environment, and/or the interaction of alleles, influences the expression of genetic traits. Bio.3.3 Understand the application of DNA technology. Bio.3.4 Explain the theory of evolution by natural selection as a mechanism for how species change over time. Bio.3.5 Analyze how classification systems are developed upon speciation. Bio.4.1 Understand how biological molecules are essential to the survival of living organisms. Bio.4.2 Analyze the relationships between biochemical processes and energy use in the cell.