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At what point are two populations descending from the same ancestors considered separate species?
When they have reproductive isolation. This happens when either physical or biological barriers prevent reproduction between the two populations. At that point, their mix of genes will be significantly different that they will be considered two new species.
Two populations kept separate by a river are characterized by?
Geographic isolation
What happens when members from separated populations not reproduce with each other?
They become separate species.
How can the isolation of populations lead to specification?
it leads to specification because you separate the populations and a population with a certain trait will become dominant over a certain area of land or mass.
An earthquake creates a chasm that separates a population of squirrels. The two populations of squirrels evolve into two separate species. What is the name of the process by which isolated populations?
cheating on study island? Speciation
Can geography separate populations causing evolution to occur?
Yes, geography can separate populations physically, leading to limited gene flow between them. This isolation can result in genetic differences accumulating over time, potentially leading to evolutionary changes within each population. This process is known as allopatric speciation.
What would most likely increase the rate of speciation in a population?
Factors such as geographic isolation, environmental changes, genetic mutations, and selective pressures can increase the rate of speciation by driving populations to evolve separate traits or behaviors that lead to reproductive isolation.
Would you be considered Russian is your ancestors were from czechslovokia?
No, being from Czechoslovakia does not make one Russian. Czechoslovakia was a separate country from Russia with its own distinct culture, history, and language. If your ancestors were from Czechoslovakia, you would be of Czech or Slovak descent, not Russian.
Describes why the two minnow populations evolved into separate species?
Different selective pressures were acting upon the two populations, leading to an increase in genetic variation and the formation of two new species. study island
Which best describes why the two minnow populations evolved into separate species?
Different selective pressures were acting upon the two populations, leading to an increase in genetic variation and the formation of two new species.(study island)
How were Jews separated from urban populations nazi territories?
Jews were barricaded into separate neighborhoods - ghettos - which were then sealed off with high walls.
How can reproductive isolation lead to speciation?
Reproductive isolation separates the reproduction of one population into two populations. Over time after generations, the two separate populations start living and reproducing differently, so they evolve into two separate species, which is speciation (also known as divergent evolution). Reproductive isolation and speciation reduces gene flow.
