UNIT_3_REVIEW_Hair_Fiber_Soil_and_Glass Evidence

Front

What are natural fibers?

Back

Natural fibers come from animals, plants, and minerals, provided from fur, hair, and webbing.

Front

Why is glass considered valuable trace evidence in forensic investigations?

Back

Glass can provide information about the source, type, and origin of the glass.

Front

What type of evidence is soil with similar characteristics found at the crime scene, on the suspect, or on the victim?

Back

Class evidence.

Front

How can you differentiate between animal and human hair?

Back

Human medullary index is less than that of animal hair.

Front

What is the medulla in hair fibers?

Back

The medulla is the central core of a hair fiber.

Front

What is the significance of the medullary index in forensic analysis?

Back

The medullary index helps differentiate between human and animal hair.

Front

What are the three main sources of natural fibers?

Back

Natural fibers come from animals, plants, and minerals.

Front

How can glass evidence assist in a forensic investigation?

Back

Glass evidence can help determine the source, type, and origin of the glass.

Front

What is the role of soil in forensic investigations?

Back

Soil can provide class evidence linking a suspect or victim to a crime scene.

Front

What characteristics differentiate human hair from animal hair?

Back

Human hair typically has a smaller medullary index and different cuticle patterns.