Question

At a crime scene, which tasks require an understanding of human biology?

Answer 1

Answer: multiple

Step-by-step explanation:

Biological evidence, which contains DNA, is a type of physical evidence. However, biological evidence is not always visible to the bare eye. DNA testing has expanded the types of useful biological evidence. All biological evidence found at crime scenes can be subjected to DNA testing.

Answer 2

Answer: Biological evidence.

Explanation: Such as DNA, which is a type of physical evidence, but not all of them are physical or visible to the human eye. But all biological evidence found at the crime scenes can all lead to DNA testing.