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

What does Figure 20.1 depict?

<p>The convergent evolution of limbless bodies. (A)</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. (C)</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. (D)</p> Signup and view all the answers

What does Figure 20.2 illustrate?

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

What is the main goal of systematics?

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

What does the discipline of systematics involve?

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

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

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

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

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

What did Carolus Linnaeus base his taxonomy system on?

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

What does binomial nomenclature refer to?

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

What is a taxon?

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

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

<p>Yes, it is capitalized (C)</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 (B)</p> Signup and view all the answers

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

<p>Binomial nomenclature and hierarchical classification (A)</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 (C)</p> Signup and view all the answers
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