How is "homicide" defined legally?

The legal definition of "homicide" encompasses the concept of one human being causing the death of another human being, which is precisely articulated in the option that has been identified as correct. Homicide can occur in various circumstances, and the underlying principle remains the same—the act involves the fatal interaction between human entities.

Homicide is a broad term and includes both lawful and unlawful killings. It is important to differentiate between various types of homicide, such as murder and manslaughter, which can be categorized based on intent and circumstances surrounding the act. However, at its core, the essential element that qualifies an act as homicide is the death of a human due to another human's actions.

The other options reference scenarios involving animals, self-defense, or wartime actions, which may involve legal justifications or classifications outside the fundamental definition of homicide. For instance, self-defense and killings in wartime can fall under specific legal exemptions or justifications, but they do not encompass the general definition of homicide. Thus, they would not accurately reflect the overall legal understanding of the term.