| Label | Id | |
|---|---|---|
| Pelagic | Pelagic | |
| Permafrost | Permafrost | |
| Petrochemical | Petrochemical | |
| Pharynx | Pharynx | |
| Phylloplane | Phylloplane | |
| Plants | Plants | |
| Pond | Pond | |
| Porifera | Porifera | |
| Primary | Primary | |
| Protists | Protists | |
| Protozoa | Protozoa | |
| Rectum | Rectum | |
| Reptile | Reptile | |
| Rhizome | Rhizome | |
| Rhizoplane | Rhizoplane |