Gen-Bio 2 Review: Evolutionary Terms

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Questions and Answers

Which of the following terms refers to the evolutionary history of a species or group of species?

  • Cladistics
  • Vestigial
  • Phylogeny (correct)
  • Convergent evolution

Which of the following is NOT a factor that can lead to evolutionary change?

  • Genetic Drift
  • Random Mating
  • Stabilizing selection (correct)
  • Artificial Selection

What is the term for the process of forming a new species?

  • Speciation (correct)
  • Vestigial
  • Clade
  • Divergent Evolution

Which of the following is NOT a type of evidence used to support the theory of evolution?

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

Which term refers to a structure that is reduced in size and function compared to the same structure in other organisms?

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

Which of the following processes describes the selective breeding of plants and animals to promote the occurrence of desirable traits in offspring?

<p>Artificial Selection (C)</p> Signup and view all the answers

What is the difference between analogous and homologous structures?

<p>Homologous structures have the same functions but different structures. (A)</p> Signup and view all the answers

Which of the following is NOT a mechanism of genetic variation?

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

What does gene therapy primarily involve?

<p>Manipulating an organism's genetic material (A)</p> Signup and view all the answers

In what way do homologous structures contribute to evidence of evolution?

<p>By indicating shared ancestry (D)</p> Signup and view all the answers

Which process is responsible for gradually changing species over time?

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

What is a vestigial structure?

<p>A structure that has lost its original function in evolution (B)</p> Signup and view all the answers

Which of the following is NOT a type of evidence for evolution?

<p>Taxonomy (D)</p> Signup and view all the answers

Which process introduces new genetic material into a population?

<p>Gene flow (C)</p> Signup and view all the answers

What is the taxonomic rank above the genus level?

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

Which of the following is NOT a domain in the three-domain system of classification?

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

What is the approximate accepted age of the Earth according to the geologic time scale?

<p>$4.6 \times 10^9$ years (A)</p> Signup and view all the answers

Which of the following characteristics is used to identify unique taxa in classifying living things?

<p>Both structural and developmental characteristics (A)</p> Signup and view all the answers

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