1. | A population | 2. | A species |
3. | A biological community | 4. | An ecosystem |
Statement I: | Entire biosphere is regarded as a global ecosystem by many ecologists. |
Statement II: | The global ecosystem is divided into terrestrial and aquatic ecosystem for convenience. |
1. | Only Statement I is correct. |
2. | Only Statement II is correct. |
3. | Both Statement I and Statement II are correct. |
4. | Both Statement I and Statement II are incorrect. |
1. | Stratification | 2. | Scarification |
3. | Standing crop | 4. | Standing state |