Learning Objectives:

2.C.1:  Organisms use feedback mechanisms to maintain their internal environments and respond to external environmental changes.

2.C.2:  Organisms respond to changes in their external environments.

2.E.3:  Timing and coordination of behavior are regulated by various mechanisms and are important in natural selection.

3.A.2:  In eukaryotes, heritable information is passed to the next generation via processes that include the cell cycle and mitosis or meiosis plus fertilization.

3.A.3:  The chromosomal basis of inheritance provides an understanding of the pattern of passage (transmission) of genes from parent to offspring.

3.B.1:  Gene regulation results in differential gene expression, leading to cell specialization.