Soil Flashcards
Fungus
Organism such as mould or mushrooms that are important in breaking down organic matter
Horizon
A specific layer of soil or subsoil in a vertical cross-section of land
Humus
A fertile part of soil formed when plants and animals decay
Landscape
The visible features of an area of countryside or land
Mineral matter
Rock particles found in soil
Natural resource
A resource that is provided by nature
Nitrogen
A colourless, odourless and un-reactive gas that is the main component of Earth’s atmosphere
Organism
An individual animal, plant or single-celled organism
Oxygen
A colourless, odourless and reactive gas that is the life supporting component of the air
Parent material
The underlying geological material on which soil horizons form
Particle
A minute portion of something
Silt
Fine sand, clay or other material carried by running water and deposited by a sediment
Soil profile
A vertical cross section of soil from the ground surface to the parent material
Vegetation
Plant life found in a particular area or habitat
Bacteria
A very large group of microorganisms
