Matching Pairs Core Ideas of Life ScienceOnline version Check out this matching game! by Kate Coyne 1 Ecosystems 2 From Molecules to Organisms 3 Heredity 4 Ecosystem Diagram 5 Biological Evolution Diagram 6 Biological Evolution This idea speaks to the variance of traits from one generation to the following. This idea pertains to the structures and processes in life science. This core idea explains the traits offspring receive from their parents after subsequent generations. A diverse population of animals impact this core idea and can cause severe consequences if they face the danger of extinction.