Is there life in this soil sample?

The new Earthlearningidea today asks questions to consolidate pupil understanding of soil-formation, 'Is there life in this soil sample?'

Soil often looks like a non-living substance that simply covers many parts of the Earth’s surface. However, pupils should be aware that if soil did not contain living material (alive and/or dead) it would no longer be soil, but would just be part of the weathered rock material found on the surface where no obvious life is present. Such non-soil debris is called regolith, as found on mountain tops and polar regions on Earth and also on the Moon or planets like Mars.
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