CBSE
Multiple Choice QuestionsThe number of individuals of the same species that have come into the habitat from elsewhere during the time period under consideration is known as
Emigration
Mortality
Natality
Immigration
Immigration
In a species, the weight of newborn ranges from 2 to 5 kg. 97% of the newborn with an average weight between 3 to 3.3 kg survive whereas 99% of the infants born with weights from 2 to 2.5 kg or 4.5 to 5 kg die. Which type of selection process is taking place?
Stabilizing Selection
Disruptive Selection
Cyclical Selection
Directional Selection
