Types of Speciation: Allopatric and Peripatric

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Questions and Answers

What is the dominant mode of speciation?

  • Sympatric speciation
  • Allopatric speciation (correct)
  • Autopatric speciation
  • Peripatric speciation

In which type of speciation does isolation at the periphery take place?

  • Allopatric speciation
  • Peripatric speciation (correct)
  • Sympatric speciation
  • Autopatric speciation

In which type of speciation do new species evolve from a single ancestral species while inhabiting the same geographic region?

  • Sympatric speciation (correct)
  • Allopatric speciation
  • Peripatric speciation
  • Autopatric speciation

What changes may lead to sympatric speciation in a subset of a population?

<p>Changes in habitat choice and food preferences (D)</p> Signup and view all the answers

How many pairs of shrimp species are separated by the Isthmus of Panama due to allopatric speciation?

<p>15 pairs (A)</p> Signup and view all the answers

What caused some Hawthorn maggot flies to lay eggs and mate on apples?

<p>Introduction of apples in North America (A)</p> Signup and view all the answers

What does parapatric speciation refer to?

<p>Speciation between neighboring populations with reduced gene flow (A)</p> Signup and view all the answers

What is a characteristic of parapatric speciation?

<p>Reduced gene flow between neighboring populations (B)</p> Signup and view all the answers

In the context of parapatric speciation, what is the dispersal method?

<p>Birds dispersing between two isolated habitats (B)</p> Signup and view all the answers

What is the range contraction method associated with in parapatric speciation?

<p>Population decline caused by isolated individuals (C)</p> Signup and view all the answers

What is characteristic of adaptive speciation?

<p>Diversification of adapted species from a common ancestor (C)</p> Signup and view all the answers

Is it possible for two different species to have reproductive offspring according to adaptive speciation?

<p>Yes, it is possible through hybridization and genetic mixing (B)</p> Signup and view all the answers

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