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Soil formation
Term | Definition |
---|---|
What is the definition for vegetation? | Plants. |
What is a parent rock? | the source for the rock above it. |
What is bedrock? | the layers of rock beneath the soil. |
What is soil? | a loose mixture of rock fragments, water, organic materials, and air. |
What does the term litter mean? | Leaves and branches that are decaying and decomposing. |
What is residual soil? | Soil that stays on top of the parent soil while the rest is blown away. |
What is transported soil? | soil that has been moved from its original place. |
What is humus? | a dark colored substance that forms as plant and animal remains decay. |
What are nutrients? | substances found in humus. |
What is decomposition? | when live organisms breakdown dead organic material into humus. |
What is fertile soil? | just the right amount of nutrients for plants to grow. |