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It is likely that people lived in the temperate zones of the Earth before that last glacial period began, along with other animals and plants. When the glaciers advanced during the last Ice Age, people had to move to warmer areas of land nearer to the equator.
As the glaciers receded after the maximum glaciation had occured, modern humans were able to migrate from the belt of land around the Earth's equator and settle the new temperate zones.
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When changes occur in the genes of six cells theses changes will lead to what?
It will lead to mutations in the parent organisms =)
What are three factors lead to speciation?
Genetic drift. MutationsNatural selection.Gene recombinationGene flow (immigration and emigration)
What are key factors that lead to speciation in your oranism?
Speciation can happen for a variety of reasons, but typically it's some sort of environmental change such as changes in relevant prey and other food sources, changes in the relevant predators, changes in the climate (i.e. temperature changes, rainfall changes, etc.), etc. Speciation or extinction will occur as the eventual result of any evolutionary dead end; though the creature may fail to adapt (aka evolve), the environment is going to change eventually.
Does Miss America depression glass crystal contain lead?
Crystal glass contain lead.
How did environmental changes in the great plains lead to changes in America?
The "Dust Bowl" was the loss of farmland to drought and erosion in the 1930s. Many farmers left the Great Plains during the height of the Great Depression (1934-1936) and migrated to other areas, especially California, where some found work as migrant laborers.
How did enviormental changes in the great plains lead to changes in migration?
A sever drought forced many to migrate west.
How did environmental changes in the Great Plains lead to changes in migration?
A severe drought forced many to migrate west.
How did environmental changes in the great plains lead to the changes in migration?
A severe drought forced many to migrate west.
What did less racism in the north lead to?
the great migration
Which is the correct order in which brain changes that lead to alcoholism?
Brain changes don't lead to alcoholism. Alcoholism can lead to brain changes.
When moses diedcontinued to lead the migration to Canaan.?
joshua
When changes occur in the genes of six cells theses changes will lead to what?
It will lead to mutations in the parent organisms =)
What are the four processes that lead to evolution?
Mutation, Natural Selection, Migration, and Genetic Drift.
What lead to the first human migration into Europe?
Humans don't migrate, but they were following the herds.
What events may have lead to genetic changes over time?
Mutation can lead to genetic changes over time!
Flying lead change horseback riding?
Are you asking what flying lead changes are? When a horse is cantering one of two front legs will lead. This is called a lead. A lead change is when a horse changes direction, bend and lead legs in the air. Leads are important for balance for horses. Lead changes are done at the canter in all aspects of riding.
How did spread of migration of small farmers lead to the Rise or Fall of the Roman Republic?
The spread of migration of small farmers into cities caused unemployment which led to the decline of the empire.
