If the apple and haw flies no longer interbreed due to the different ripening times of apples and hawthorns, this would be an example of what kind of reproductive isolating mechanism?
A) temporal isolation
B) ecological isolation
C) gametic isolation
D) mechanical isolation
E) behavioral isolation
Answer: A
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After examining the phylogenetic tree of Micobacterium tuberculosis depicted in the figure above, give a pos-sible explanation for the appearance of a split branch having tips in both the Philippines and the rim of the Indian Ocean
What will be an ideal response?
While running in a garden, a girl steps on an old board and a nail goes through her shoe and skin,
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The Burgess Shale formation in eastern British Columbia includes a wide variety of animal fossils such as Hallucingenia and Opabinia. When was the Burgess Shale formed?
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