Across
- 3. soil organism that breaks down the remains of organisms and digests them
- 5. a layer of soil that differs in color and texture from the layers above or below it
- 7. crumbly dark brown soil that is a mixture of humus clay and other minerals
- 10. dark-colored substance that forms as plant and animal remains decay
Down
- 1. the solid layer of rock beneath the soil
- 2. the measure of how well the soil supports plant growth
- 4. loose weathered material on Earth's surface in which plants can grow
- 6. soil that is made up of equal parts clay, sand and silt
- 8. usually consists of clay and other particles washed down from the A horizon
- 9. the loose layer of dead plant leaves and stems on the surface of the soil