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It usually is some sort of physical barrier like an large space between islands.
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Speciation caused by the break of the continents would be by?
Speciation caused by the breakup of continents can occur when populations become isolated from one another, leading to genetic divergence over time. Geographic barriers like oceans, mountain ranges, or deserts can prevent interbreeding between populations, ultimately leading to the formation of new species through the process of allopatric speciation.
What causes temporal isolation between populations?
Temporal isolation between populations is caused by differences in the timing of reproductive activities, such as mating seasons or times of day when individuals are most active. This can prevent individuals from different populations from mating and producing offspring, leading to reproductive isolation.
What is the Random change in a populations allele frequency is known?
Genetic drift is the random change in allele frequencies in a population. It is caused by chance events and has more pronounced effects in small populations where genetic diversity is lower. Over time, genetic drift can lead to the loss of certain alleles or fixation of others in a population.
What characteristic within populations causes natral selection to occur?
Variations within populations is what natural selection is " looking " for. That one variant of a population is somewhat better able to survive and reproduce than other variants against the backdrop of the immediate environment is natural selection.
What viral disease now thought to only exist inside a laboratory caused the death of many American Indians after europeans arrived in north American?
It is believed that smallpox, a highly contagious viral disease, caused the death of many American Indians after Europeans arrived in North America. The introduction of smallpox by European settlers led to devastating outbreaks among indigenous populations who had no immunity to the disease.
Speciation caused by the break of the continents would be by?
Speciation caused by the breakup of continents can occur when populations become isolated from one another, leading to genetic divergence over time. Geographic barriers like oceans, mountain ranges, or deserts can prevent interbreeding between populations, ultimately leading to the formation of new species through the process of allopatric speciation.
Who isolated bacteria that caused anthrax and TB?
Robert Koch
What caused China to be isolated from other society's?
the Himalayas and the Gobi Desert.
What caused the ancient Greeks to be isolated from one another?
The geographical setting of Greece.
What would most likely cause geographic isolation?
Geographic isolation is most likely caused by physical barriers such as mountains, rivers, or oceans that prevent populations from interbreeding. These barriers can lead to the evolution of new species due to the lack of gene flow between the isolated populations over time.
What substance has caused great losses in many bird populations?
Pollution mainly.
What disease does Swine Flu cause?
Influenza. It is caused by this new strain of virus that was isolated in Mexico and is now known to be the underlying organism that caused the 2009 pandemic.
What did Darwin wonder about the different finch he observed in his travels?
Darwin wondered if the finches on the Galapagos Islands were an ancester to the mainland finches. It turns out they were, one finch went to the island and its decsandants spead across the island. Geographic isolation caused the gene pools to become isolated and each population adapted to a particular habitat on the Galapagos Islands. Over time all the populations became genotypically different that they do not interbreed. Mating finches look for the beak shape.
What caused the slave populations in the Chesapeake colonies to grow?
Slaves formed families and had children.
What caused the deaths of Native American populations after the 1500s?
only two people survived this
Does GE manufacture wind turbines in Illinois?
Isolated manufacturing issue' caused wind turbines to break in Illinois.
What caused people to become interested in Alaska?
the thing that caused people to become interested in Alaska was the gold rush.
