Evolutionary Wonders
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Questions and Answers

Which of the following best describes the relationship between legless lizards and snakes?

  • Legless lizards and snakes evolved independently from different lineages of lizards with legs. (correct)
  • Legless lizards evolved from snakes.
  • Legless lizards and snakes are the same species.
  • Legless lizards and snakes evolved from a common ancestor.

    • What is the main reason that legless lizards have evolved into different groups?

  • They were influenced by the presence of humans.
  • They were forced to evolve due to competition with snakes.
  • They were genetically modified.
  • They adapted to different environments. (correct)

    • What does phylogeny refer to?

  • The study of legless lizards and snakes.
  • The evolutionary history of a species or group of related species. (correct)
  • The process of genetic modification in organisms.
  • The classification of organisms based on their physical characteristics.

    • What is the main purpose of systematics?

    <p>To classify organisms based on their physical characteristics.</p> Signup and view all the answers

    What does Figure 20.1 depict?

    <p>The convergent evolution of limbless bodies.</p> Signup and view all the answers

    What is the main difference between legless lizards and snakes?

    <p>Legless lizards and snakes evolved from different lineages of lizards with legs.</p> Signup and view all the answers

    What is the main focus of investigating the evolutionary history of life?

    <p>To examine the evolutionary relationships between species.</p> Signup and view all the answers

    What does Figure 20.2 illustrate?

    <p>The convergent evolution of limbless bodies.</p> Signup and view all the answers

    What is the main goal of systematics?

    <p>To classify organisms based on their physical characteristics.</p> Signup and view all the answers

    What does the discipline of systematics involve?

    <p>The classification of organisms based on their physical characteristics.</p> Signup and view all the answers

    Which field of science is responsible for the ordered division and naming of organisms?

    <p>Taxonomy</p> Signup and view all the answers

    Which of the following is NOT a characteristic shared by closely related organisms?

    <p>Habitat</p> Signup and view all the answers

    What did Carolus Linnaeus base his taxonomy system on?

    <p>Physical characteristics</p> Signup and view all the answers

    What does binomial nomenclature refer to?

    <p>The two-part format of the scientific species name</p> Signup and view all the answers

    What is the correct order of taxonomic groups from least to most inclusive?

    <p>Species, genus, family, order, class, phylum, kingdom</p> Signup and view all the answers

    What is a taxon?

    <p>A named taxonomic unit at any level of the hierarchy</p> Signup and view all the answers

    What is the first letter of the genus capitalized in binomial nomenclature?

    <p>Yes, it is capitalized</p> Signup and view all the answers

    What is the correct format for writing a scientific species name in binomial nomenclature?

    <p>Genus name followed by species name</p> Signup and view all the answers

    What are the two key features of Carolus Linnaeus' taxonomy system?

    <p>Binomial nomenclature and hierarchical classification</p> Signup and view all the answers

    What is the correct term for a named taxonomic unit at any level of the hierarchy?

    <p>Taxon</p> Signup and view all the answers

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