Soils

Soil is....

• Dirt

• A layer that provides resources

• Something you dig

• Something you grow things in

Oxygen is needed for...

• root growth

• organic matter

• minerals

• water

Carbon is used in the form of

• nutrients

• mineral matter

• root growth

• organic matter

Mineral matter makes up what percentage of the soil?

• 25

• 45

• 55

• 5

Organic matter makes up what percentage of the soil?

• 25

• 45

• 55

• 5

Air makes up what percentage of the soil?

• 25

• 45

• 55

• 5

Water makes up what percentage of the soil?

• 25

• 45

• 55

• 5

The living together of unlike organisms

• Tilth

• Symbiosis

• Mycorrhizae

• Fertility

Plants release oxygen during

• Photosynthesis

• Respiration

Plants consume oxygen during

• Photosynthesis

• Respiration