2.3.2 (CLORPT)

Question 1

CL

Answer 1

CLimate
* Temperature controls
the rate at which
rocks freeze, thaw,
weather, and release
nutrients into the soil
* Precipitation controls
the rate at which
nutrients are leached (drained) deeper into the soil

Question 2

O

Answer 2

Organisms
● Decomposers release enzymes that breakdown rocks and recycle the nutrients in organic matter
● Broken down organic matter in the soil is called humus
● Worms make channels through the soil that can help roots grow and water and nutrients move

Question 3

R

Answer 3

Relief (topography)
* Relief describes the shape of the earth’s surface, such as mountains
* Soils more exposed to winds can erode easily

Question 4

P

Answer 4

Parent material
* Parent material describes the rocks in the area that determine the soil type
* Determines soil textures (silt, sand, clay)

Question 5

T

Answer 5

Time
* Older soils have more
differences in color,
structure, and texture. They
accumulate more minerals
and more form organisms
symbiotic relationships

• This creates a more complex soil profile