| Physical Environment | Biological Environment |
| 1. Land, water, air and inorganic elements form the physical environment. | 1. Plants, animals (including man) and organisms form biological environments. |
| 2. It is essential for the existence of plants and human life. | 2. It provides food and other materials for human beings. |
| 3. It includes non-living elements. | 3. It includes all living elements. |
| 4. The physical environment influences human activities. | 4. The physical and human environment interact with each other. |