Final answer:
The topic 'Genetics' is too broad for a biology class essay, while a focus on genetic factors or specific gene mutations is appropriate and manageable for an assignment.
Step-by-step explanation:
The topic that is likely too broad for a biology class essay is "Genetics." Genetics encompasses an expansive field of study, including heredity, gene function, genetic disorders, and evolutionary biology, to name a few. It requires significant narrowing down to become manageable for a typical high school essay assignment.
Two topics that biologists might study include the genetic factors for certain health conditions like obesity and the specifics of genetic mutations, such as those in the KSR2 gene causing obesity in mice. On the other hand, areas outside of biology include subjects like quantum physics or aeronautical engineering, which do not focus on living organisms and their processes.
When choosing an essay topic, it's essential to consider a specific focus within a broader subject; this way, the research and discussion are thorough and analytical. For example, studying the impact of mutations in the KSR2 gene can be a rich, detailed topic that is well-suited for exploration in an essay format.