What is population? How many marks carried by the chapter Organisms and Population in class 12 board examinations? Why we study the chapter Organisms and Population? How important the chapter Organisms and Population is? What is adaptation? What are heliophytes? What is mangrove plant?
Organisms and Population (part-2)
The number of individuals of the same species that have come into the habitat from elsewhere during the time period under consideration is termed as Immigration
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