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Q. No.If a new habitat is just being colonized, which of the following is most likely to contribute to an increase in the population density?
| 1. | Birth rate | 2. | Death rate |
| 3. | Immigration | 4. | Emigration |
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Subtopic: Â Population Characters: Density |Â Population Characters: Natality & Mortality |Â Population Characters: Age Structure & Migration |
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