Layers of Soil

What are the four layers of soil?

• Humus, Topsoil, Subsoil, Bedrock

• clay, sand, silt, loam

Which layer is at the very bottom?

• Humus

• Topsoil

• Subsoil

• Bedrock

Which layer of soil is made of decomposed plants and animals?

• Topsoil

• Humus

• Bedrock

• Subsoil

Which layer of soil is the darkest?

• topsoil

• subsoil

• bedrock

Which layer of soil is at the top?

• bedrock

• topsoil

• humus

Which layer of soil can only be exposed through weathering?

• humus

• bedrock

• subsoil

Which layer of soil are ants found?

• topsoil

• humus

• bedrock

Which layer do many creatures live in?

• topsoil

• bedrock

Tags

NGSS.MS-LS2-3