Which of the following best describes forensic entomology?

Forensic entomology is specifically the examination of insect life associated with a decomposing body in order to estimate the time of death. This field of study involves understanding the life cycles of various insects, such as blowflies and beetles, and how they are attracted to corpses at different stages of decomposition. By analyzing the types of insects present and their developmental stages, forensic entomologists can provide valuable insights regarding the postmortem interval, which is crucial in criminal investigations.

The other options focus on different areas of forensic science. The study of human bones pertains to forensic anthropology, which helps in identifying skeletal remains. The assessment of mental health in court relates to forensic psychology, where professionals evaluate psychological issues relevant to legal cases. The identification of physical evidence at a crime scene falls under forensic science more broadly, emphasizing the collection and analysis of tangible materials rather than biological evidence like insects. Thus, the primary focus of forensic entomology distinctly aligns with option C, making it the correct choice.