CIA 3 Review Part 1--Soil

Which of the following is botanical evidence that may be found on shoes, clothing, or vehicles?

• pollen
• leaves
• flower pedals
• blades of grass

The composite layers of the types of soil is known as the

• clay
• sand
• silt
• soil profile

The three types of soil are: (Choose 3)

• clay
• sand
• silt
• humus
• mineral

Rank the soil particles in size from smallest to largest.

• sand, silt, clay
• silt, sand, clay
• clay, silt, sand
• clay, sand, silt

When a body is buried, how has the soil profile changed?

• The ground will become less absorbent
• Soil does not change when a body is buried
• More minerals will be available for mining
• Plant matter may be different from the surrounding area

When a body is buried in soil, what happens at first to the vegetation near the gravesite?

• Killed
• Grows at a slow rate
• Grows at a much faster rate
• There is no change in the vegetation

When a body has been buried in soil for a year, what happens to the vegetation near the gravesite?

• Killed
• Grows at a slow rate
• Grows at a much faster rate
• There is no change in the vegetation

When is the best time to find a gravesite?

• Around noon
• When the sun is directly overhead
• When the sun is low and shadows are cast
• At night

The ______________of soil influences the type of microorganisms and plants that live in it and affects how a body decomposes.

• Type
• pH
• color
• texture

Soil is ___________________________.

• A mixture of organic and inorganic material
• Composed of sand, silt and clay in various percentages
• A mixture of dead and living organisms
• All of the above