Final answer:
The Linnaean classification system groups organisms based on shared physical characteristics within a hierarchical structure. While behavioral traits and genetic data are not directly considered in this system, modern phylogenetic classification and molecular systematics use such information to provide a more accurate understanding of evolutionary relationships. This highlights the limitations and evolution of classification systems in biology.
Step-by-step explanation:
The Linnaean classification system is a method of classifying organisms based on their physical characteristics. It operates on a hierarchical structure, starting at the kingdom level and continuing down to the species. According to the Linnaean system:
- Organisms are classified by shared physical characteristics (Answer c).
- Behavioral traits are not a primary focus for classification in this system (Answer a).
- While the Linnaean system primarily uses physical traits, it does not incorporate DNA and RNA data directly (Answer b).
- The system does not factor in genetic information when classifying organisms (Answer d).
However, the Linnaean system has its limitations, as it can lead to misclassification in cases where physical characteristics alone may not accurately represent evolutionary relationships. This has led to the emergence of phylogenetic classification, which considers evolutionary history and uses both morphologic and genetic evidence to classify organisms.
Molecular systematics, a more recent development, uses DNA and RNA data to better classify organisms and has revealed errors in previous classifications based on physical characteristics alone.