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WorksheetsFS #030 soil and botanical evidence
Total questions: 15
Worksheet time: 7mins
A pollen fingerprint is the:
number and type of pollen grains found in a geographical area at a particular time of year.
number of pollen grains found in a geographical area at a particular time of year
type of pollen grains found in a geographical area at a particular time of year.
None of these choices.
Groups of plants that are usually dominated by one species are called:
diatoms
spores
cones
assemblages
Which descriptions below would most likely indicate the presence of a recent gravesite?
soil level raised, no plant life on surface
soil level lowered, no plant life on surface
soil level lowered, increased plant life
soil level raised, increased plant life
Sand, silt, and clay are defined by the ________ of the particles.
Chemical properties
Mineral content
Color
Size
Soils are mixtures of materials formed from weathered rocks, water, air, and decomposing organisms.
True
False
What are the 3 main types of soil textures? Mark all that apply.
Sand
Silt
Clay
Mud
Peat
What type of evidence is soil when it is initially recovered from a crime scene?
Direct
Class
Trace
Individual
What can you look for to determine location of drowning?
number and type of algae and diatoms
number and type of pollens
number and type of fibers
number and type of maggots and larva
Characterized by mineral content and grain size
rocks
minerals
crystals
sand
Only 20 are found readily on the surface
rocks
minerals
crystals
soil
How many different colors of soil?
20
2200
1100
10
How many kinds of minerals?
10
1100
20
2200
Which combination of layers has faster decomposition?
O and A
B and C
A and B
C and R
