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Flashcards in Soil key terms Deck (15):
1

Fungus

Organisms such as mould or mushrooms that are important in breaking down organic matter.

2

Horizon

A specific layer of soil or subsoil in a vertical cross-section of land

3

Humus

Fertile part of the soil formed when plants and animals decay.

4

Landscape

The visible features of an area of countryside or land

5

Mineral matter

Rock particles (eg. stones, sand, silt) found in soil

6

Natural resource

Resource that is provided by nature

7

Nitrogen

A colourless, odourless unreactive gas that is the main component of the Earth's atmosphere.

8

Bacteria

A very large group of micro-organisms

9

organism

an individual animal, plant or single-celled life form

10

oxygen

a colourless, odourless reactive fas that is the life-supporting component of the air

11

parent material

the underlying geological material (eg, bedrock) on which soil horizons form

12

particle

a minute portion of something

13

silt

fine sand, clay or other material carried by running water and deposited as a sediment

14

soil profile

a vertical cross-section of soil from the ground surface to the parent rock

15

vegetation

plant life found in a particular area or habitat