| Plant / Air Interaction (Level 1) | Plant Addition (Level 1) |
| Plant Observation (Level 1) | Shape (Level 1) |
| Camouflage (Level 2) | Perimeter (Level 2) |
| Scents (Level 3) | Pond Fractions (Level 2) |
| Fractions (Level 3) | Probability (Level 3) |
| Wind Speed (Level 4) | Pond Perimeter (Level 4) |
| Dissolved Oxygen (Level 5) | Surface Area (Level 4) |
| Soil Erosion (Level 5) | Chance Estimation (Level 5) |