A population has more young individuals compared to older individuals. What would be the status of the population after some years?
| 1. | It will decline |
| 2. | It will stabilize |
| 3. | It will increase |
| 4. | It will first decline and then stabilize |
Which of the following would necessarily decrease the density of a population in a given habitat?
| 1. | Natality> mortality |
| 2. | Immigration> emigration |
| 3. | Mortality and emigration |
| 4. | Natality and immigration |