400-000-6150TPO 31‐R ‐1
Speciation in Geographically
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400-000-6150D. Cau changes
巴拿马文
latecomesubpopulations of a species happens at a slow rate
D. To explain why incts living along
opposite shores of the Mississippi River are very different from each other
Paragraph 2 is marked with an arrow> their parent population
不大不小
D. had experienced some genetic divergences
from their parent population
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Mississippi River, a large river flowing in another. When the glaciers retreated , the parated populations of plants and animals came into contact again. Some groups that had descended from the same parent population were no longer reproductively compatible — they had evolved into parate species. In other groups, however, genetic divergences had not proceeded so far, and the descendants could still interbreed — for them, reproductive isolation was not completed, and so speciation had not
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400-000-6150
bluetooth是什么意思between the Pacific and Atlantic Oceans. D. The movement created conditions for the出厂价英文
formation of new species of fishes and other marine animals.
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>In the 1980s, John Graves studied two populations of cloly related fishes, one
400-000-6150in the Pacific group of fishes
queroParagraph 5 is marked with an arrow>
the isthmus neutral or adaptive mutations.
>Graves drew two conclusions from the obrvations. First, at least some by the imperceptibly slow but colossal
400-000-6150Where would the ntence best fit? Click on a square to add the ntence to the passage.
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physically parated populations of a single species gradually diverge genetically to the point of becoming unable to interbreed.
A. B. C. D. E. F. free flow of water, now the isthmus
prented a barrier that divided the
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