Organic matter or micro-organisms?

Exercise and reference answers

Left

Organic matter

Items

1. Region

   Organic matter

   Item

   Stores nutrients

2. Region

   Organic matter

   Item

   Decayed matter

3. Region

   Micro-organisms

   Item

   Breaks waste

4. Region

   Micro-organisms

   Item

   Makes nitrate

5. Region

   both

   Item

   Aids fertility

6. Region

   both

   Item

   Found in soil

Right

Micro-organisms

Instructions

Tap a role, then what performs it. Some apply to both.