Introduction to Speciation
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Questions and Answers

What is the main factor that drives speciation?

  • Gene flow reduction (correct)
  • Natural selection
  • Mutation rates
  • Genetic drift

Which process is an example of microevolution?

  • Allopatric speciation
  • Evolution of mosquitoes resistant to DDT (correct)
  • Origin of mammals
  • Polyploidy in plants

What does the term 'macroevolution' refer to?

  • Speciation in geographically overlapping populations
  • Adaptations at species level
  • Evolutionary change above the species level (correct)
  • Evolution within a population

What is the Latin translation of 'species'?

<p>'Kind' (B)</p> Signup and view all the answers

In which type of speciation do reproductive barriers form without geographic separation?

<p>Sympatric speciation (A)</p> Signup and view all the answers

What is an example of a common occurrence in plants related to speciation?

<p>Polyploidy due to cell division accidents (D)</p> Signup and view all the answers

What is autopolyploidy?

<p>Individuals with more than 2 chromosome sets derived from one species (C)</p> Signup and view all the answers

What is allopolyploid?

<p>Two different species interbreeding and producing hybrid offspring (C)</p> Signup and view all the answers

What does the Biological Species Concept refer to?

<p>A group of populations whose members can interbreed and produce viable fertile offspring (D)</p> Signup and view all the answers

What is a postzygotic reproductive barrier?

<p>Barriers that prevent the hybrid zygote from developing into viable, fertile adults (C)</p> Signup and view all the answers

What is gametic isolation?

<p>Sperm of one species not fertilizing eggs of another species (A)</p> Signup and view all the answers

What is temporal isolation?

<p>Species that breed at different times of the day, seasons, or years cannot mate (C)</p> Signup and view all the answers

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