Question : The given figure represents different factors affecting population density (N). If B = natality D = mortality ,E =emigration and I =immigration, then select the incorrect option regarding these.

Question : The given figure represents different factors affecting pop

1.	Question : The given figure represents different factors affecting population density (N). If B = natality D = mortality ,E =emigration and I =immigration, then select the incorrect option regarding these.
Answer» `B` and `D` are most influential factors under NORMAL conditions while `I` and `E` become IMPORTANT in SPECIAL conditions In a new habitat just being colonised, I become more important than `B` `B` and `I` cause POSITIVE changes in `N` `I` is generaly equal to `E` Solution :Immigration is not necessarily equal to emigration in a POPULATION.