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no changes in the relative frequencies of alleles in the gene pool i think...
slowing of metabolism, wrinkles, diminished eye sight
motion occurs when an object changes its position relative to a reference point.
motion
population dynamics-Population dynamics is the study of the factors that influence these changes in a population's size
the object is moving relative to that point.
Observer.
DisplacementMotion
Seasonal changes happen because of the tilt of the Earth's axis, relative to the plane of the ecliptic.
changes in relative prices are the driving force in the market mechanism
An object is in motion if it changes position relative to a reference point. Motion is a relative quantity and is expressed in respect to the position of another object. Example: both a car and the Earth are moving (earth is revolving around the sun) but if we express the motion of the car in respect to the Earth, we say the car is moving relative to the Earth. At the same time the earth is moving relative to the sun.
The importance of studying demography is to identify changes within the population such as, the growth of the population, mortality and morbidity rates, migration and also marriage. These changes can help governments in their state and local policy evaluations and to address potential property tax revenue impacts.