Soil

Front

What is the first true layer of soil?

Back

Horizon A

Front

In which soil layer would you find the most decomposers?

Back

Topsoil

Front

What is the definition of soil?

Back

A mixture of weathered rock, organic material, water, and air.

Front

What layer of soil contains humus, leaf litter, and other organic matter?

Back

O - Organic

Front

What is soil made of?

Back

Weathered rocks and minerals, dead plants and animals, air and water.

Front

What is Horizon O in soil?

Back

The organic layer containing decomposed materials.

Front

What is the role of topsoil in the ecosystem?

Back

Topsoil is crucial for plant growth as it contains nutrients and organic matter.

Front

What is the difference between Horizon A and Horizon B?

Back

Horizon A (topsoil) is rich in organic material, while Horizon B (subsoil) contains minerals leached from above.

Front

What is loam?

Back

A soil type that is a balanced mixture of sand, silt, and clay, ideal for growing plants.

Front

What is bedrock?

Back

The solid rock layer beneath the soil layers.