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Major Themes
| Term | Definition |
|---|---|
| Science as a Process | Science is a way of knowing. It can involve a discovery process using inductive reasoning or it can be a process of hypothesis testing. |
| Evolution | Evolution is the biological change of organisms that occurs over time and is driven by the process of natural selection. Evolution accounts for the diversity of life on Earth. |
| Energy Transfer | Energy is the capacity to do work. All living organisms are active because of their abilities to link energy reactions to the biochemical reactions that take place within their cells. |
| Continuity and Change | All species tend to maintain themselves from generation to generation using the same genetic code. However, there are genetic mechanisms that lead to change over time, or evolution. |
| Relationship of Structure to Function | The structural levels, from molecules to organisms , ensure successful functioning in all living organisms and living systems. |
| Regulation | Everything, from cells to organisms to ecosystems, is in a state of dynamic balance that must be controlled by positive or negative feedback mechanisms. |
| Interdependence in Nature | Living organisms rarely exist alone in nature. |
| Science Technology and Society | Scientific research often leads to technological advances that can have positive and/or negative impacts upon society as a whole. |