Kendra Simmons. What is soil? Foundation for all land Biomes.
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Transcript of Kendra Simmons. What is soil? Foundation for all land Biomes.
Kendra Simmons
What is soil?Foundation
for
all
land
Biomes.
Soil is Classified Divided into horizonsO HorizonA HorizonB HorizonC Horizon
Soil is Classified O Horizon
Most superficialContains fallen
leaves, grassroots, twigs and other organic material.
Soil is Classified A Horizon
Top soilEnriched mineral
nutrientshumus, iron,
aluminum silicates and clay.
Soil is Classified B Horizon
Bands of distinctive colorsDecomposed
materialPlant roots
Soil is Classified C Horizon
Deepest layerWeathered Parent
materialBed rock
Affected by :Organisms & Age
Affected by: Climate & Elevation