The 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
D.
Immigration
Immigration is the movement of individuals into a specific area.
Emigration is the act of leaving a place of residence or habitat wih the intent of living in another place.
Mortality is a measure of the number of deaths in a particular population.
Natality is the ratio of the number of births to the size of the population, i.e. birth rate.
An adaptation is a mutation, or genetic change, that helps an organism, such as a plant or animal, survive in its environment.
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
