A student argues that being separated geographically is the only way for speciation to occur. Why is he wrong?
What is the main difference between adaptive radiation and other forms of speciation?
Horses and donkeys can mate, but they produce a mule, which is always a sterile animal. This means that they cannot produce viable offspring and are
Which is most likely to happen to a population that becomes anatomically isolated from the rest of its species?
The northern red-legged frog, or Rana aurora, is found along the western coast from British Columbia to Northern California. Their typical breeding season lasts from January to March. The foothill yellow-legged frog, or Rana boylii, is found along the western coast from northern Oregon to central California. Their typical breeding season lasts from April to July. What mechanism might keep Rana aurora and Rana boylii from mating?
Which of the following is the best definition of biogeographic isolation?
Why do species evolve during adaptive radiation?
Which of the following could result in speciation from biogeographic isolation?
Darwin hypothesized that new species could appear gradually through small changes in an ancestral species. What experiment did he conduct to test this hypothesis?
Which lists the correct sequence of events for evolution to occur through isolation?
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