Introduction to Evolution: Beak Adaptations and Charles Darwin

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Questions and Answers

What is the main mechanism of evolution discussed in the text?

  • Natural selection (correct)
  • Selective breeding
  • Cloning
  • Genetic mutation

When did Charles Darwin go on his voyage on the HMS Beagle?

  • 1882
  • 1809
  • 1831 (correct)
  • 1835

What does the term 'evolution' mean?

  • Predefined destiny of a species
  • Sudden appearance of new species
  • Stopping of all changes in a species
  • Change in characteristics of a species over generations (correct)

Which type of structure indicates a common ancestor according to the text?

<p>Homologous structure (B)</p> Signup and view all the answers

What did Charles Darwin propose as the mechanism behind evolution?

<p>Natural selection (C)</p> Signup and view all the answers

What kind of environment determines an organism's 'fitness' in natural selection?

<p>The environment an organism is adapted to (D)</p> Signup and view all the answers

What is a vestigial structure?

<p>A structure that has lost a major ancestral function and is drastically reduced in size (B)</p> Signup and view all the answers

What is the study of genes and how traits are passed on from one generation to the next called?

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

What is one of the main methods used to determine the approximate age of fossils?

<p>Radiometric dating (B)</p> Signup and view all the answers

What is the main evidence of evolution provided by the skeletal evolution of horses?

<p>Direct evidence of extinct organisms (B)</p> Signup and view all the answers

What is Charles Darwin's theory that explains how evolution occurs called?

<p>Theory of Natural Selection (B)</p> Signup and view all the answers

What is mutation in the context of evolution?

<p>An alteration in the DNA sequence that introduces new genetic variations (A)</p> Signup and view all the answers

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