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Population Change is going to occur because of many reasons
1) theory in economics (Malthus Theory): when population increased to a large amount than any natural disaster occur to balanced it.
2) Bio theory (Natural Selection): with the new technologies habits of man are changing that results in change in birth/death rate, immunization etc.
3) Food habits are also changing: that causes less immunization and rapid spread of diseases.
4) Wars: as today's mass destructive weapons results in large reduction of population.
What else can I help you with?
What must occur for a gene pool within a population to change?
A genetic mutation within the population.
How does mutation occur in the population?
Mutation can create new alleles, therfore can change allele frequencies in a population.
Does there occur any change in melting point of ice by variation of pressure?
Yes, increase in pressure causes the freezing point to drop.
Would refraction still occur if light did not change speed when passing from medium to another?
No, refraction occurs because light changes speed when passing from one medium to another. The change in speed causes the light wave to bend, resulting in refraction. If light did not change speed, refraction would not occur.
Is toasting bread a chemical change or a physical change?
Toasting bread is a chemical change because the heat causes chemical reactions to occur within the bread, leading to a browning effect and changing the chemical composition of the bread.
What causes a frequency in a population to change after each generation?
Gene mutation causes the phenotype frequency in a population to change after each generation.
What chararestic within populations causes natural selection to occur?
Variation in traits within a population is what causes natural selection to occur. When individuals in a population exhibit different traits, those that are better suited to their environment are more likely to survive and reproduce, passing on those advantageous traits to the next generation. This process leads to the gradual change of a population over time.
What occur as a result of this population change?
ecological exclusion
What must occur for a gene pool within a population to change?
A genetic mutation within the population.
What two types of energy change can occur in a chemical reation?
Two types of energy change that can occur in a chemical reaction are endothermic or exothermic. An exothermic reaction causes an increase in temperature and an endothermic reaction causes a decrease in temperature.
Process that causes the characteristics of a population to change in a way controlled by humans?
resistance
What must occur for the gene pool within population to change?
natural selection or genetic drift
What causes a country's population pyramid to change from convex to concave?
Ask your Sociology teacher.....
How does mutation occur in the population?
Mutation can create new alleles, therfore can change allele frequencies in a population.
What causes change in civilization?
over population, bad ruler, people moving to different places
What causes the seasons to occur what causes the seasons to occur?
it is the tilt of the earth in the suns direction
What does force always do?
Forces always occur in pairs. They even have reaction force pairs occur when there is no motion
