Is the total mass of living material in a habitat

The plant and animal material which has been decomposed

The process by which soil organic matter is converted to humus.

A community of microorganisms (e.g. bacteria and fungi) that inhabit a particular environment

Is the total mass of living material in a habitat

The plant and animal material which has been decomposed

The process by which soil organic matter is converted to humus.

A community of microorganisms (e.g. bacteria and fungi) that inhabit a particular environment

Is the total mass of living material in a habitat

The plant and animal material which has been decomposed

The process by which soil organic matter is converted to humus.

A community of microorganisms (e.g. bacteria and fungi) that inhabit a particular environment

Is the total mass of living material in a habitat

The plant and animal material which has been decomposed

The process by which soil organic matter is converted to humus.

A community of microorganisms (e.g. bacteria and fungi) that inhabit a particular environment

Bacteria

Actinomycetes

Fungi

Where different organisms live in a close relationship and at least one organism benefits

Both organisms benefit from the relationship

Where two organisms of the same species live in close association

Where different organisms live in a close relationship and at least one organism benefits

Both organisms benefit from the relationship

The zone of soil surrounding a plant root where the biology and chemistry of the soil are influenced by the plant root

Area of the cortex and endodermis of root where microorganisms can occupy spaces between cells and makes use of nutrients by roots

Area where ammonia is converted to nitrite

The zone of soil surrounding a plant root where the biology and chemistry of the soil are influenced by the plant root

Area of the cortex and endodermis of root where microorganisms can occupy spaces between cells and makes use of nutrients by roots

Enhance the water-holding capacity of the soil

Help bind soil particles together, better structure and prevent soil erosion

Have a selective intake of minerals, preventing toxicity from heavy metals

Provide resistance against nematodes to the plants