Imagine you are a systematist who has discovered an unfamiliar animal. Which of the following observations about the animal will best help you find its taxonomic classification?

The animal has sharp, pointed teeth.

The animal was found near a herd of deer.

The animal has an unpleasant temperament.

The animal bit you.

The observation that best helps find the taxonomic classification of the unfamiliar animal is that "The animal has sharp, pointed teeth." This specific physical characteristic can provide clues about the animal's evolutionary history, diet, and potential relationships with other species.