1. | 10 | 2. | 9 |
3. | 25 | 4. | 15 |
The impact of immigration on population density is:
1. | Negative |
2. | Both positive and negative |
3. | Neutralized by natality |
4. | Positive |
Natality refers to:
1. Death rate
2. Birth rate
3. Number of individuals leaving the habitat
4. Number of individuals entering the habitat