When will the population density increase, under special conditions? 
When the number of:
1. deaths exceeds number of births and also number of emigrants equals number of immigrants 
2. births plus number of immigrants equal number of deaths plus number of emigrants 
3. birth plus number of emigrants is more than the number of deaths plus number of immigrants 
4. birth plus number of immigrants is more than the sum of number of deaths and number of emigrants
Subtopic:  Population Characters: Density | Population Characters: Natality & Mortality | Population Characters: Age Structure & Migration |
 84%
Level 1: 80%+
NEET - 2024
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The process of individuals of the same species that have come into the habitat from elsewhere during the time period under consideration is referred as: 
1. Association 
2. Emigration 
3. Competition 
4. Immigration 

Subtopic:  Population Characters: Age Structure & Migration |
 87%
Level 1: 80%+
NEET - 2022
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