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#Question id: 3278


What does the biological species concept use as the primary criterion for determining species boundaries?

#Section 2: Evolution
  1. geographic isolation

  2. niche differences

  3. gene flow

  4. morphological similarity


Answer:- Option(s): 3


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TLS Online TPP Program

#Question id: 4699

#Section 2: Evolution

The theory of evolution is most accurately described as

TLS Online TPP Program

#Question id: 4700

#Section 2: Evolution

Which of the following is not an observation or inference on which natural selection is based?

TLS Online TPP Program

#Question id: 4703

#Section 2: Evolution

Within a few weeks of treatment with the drug 3TC, a patientʹs HIV population consists entirely of 3TC-resistant viruses. How can this result best be explained?

TLS Online TPP Program

#Question id: 4705

#Section 2: Evolution

Darwin and Wallace's theory of evolution by natural selection was revolutionary because it ________.

TLS Online TPP Program

#Question id: 4706

#Section 2: Evolution

Which of the following statements best explains why modification or change in an organ or tissue during the lifetime of an individual is not inherited?

TLS Online TPP Program

#Question id: 4707

#Section 2: Evolution

For which one of the following observations were both Lamarck's hypothesis and Darwin's hypothesis in complete agreement?

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