Biology: Taxonomy and Classification

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Questions and Answers

Which kingdom consists of organisms with cells that have cell walls made of chitin?

  • Kingdom Plantae
  • Kingdom Fungi (correct)
  • Kingdom Protista
  • Kingdom Animalia

Which characteristic is shared by all members of the Kingdom Animalia?

  • Multicellular organization
  • Some type of symmetry (correct)
  • Presence of cell walls
  • Autotrophic nutrition

Which kingdom includes organisms that can be both autotrophic and heterotrophic?

  • Kingdom Plantae
  • Kingdom Animalia
  • Kingdom Archaebacteria
  • Kingdom Protista (correct)

What is the primary goal of a taxonomic system?

<p>To show ancestor-descendant relationships and facilitate information retrieval (A)</p> Signup and view all the answers

Which kingdom is characterized by the presence of cell walls made of peptidoglycan?

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

What is unique about the environments inhabited by Archaebacteria?

<p>They thrive in extreme conditions, such as salty lakes and hot springs (D)</p> Signup and view all the answers

What is the primary reason for classifying organisms in taxonomy?

<p>To keep track of species and have practical names (B)</p> Signup and view all the answers

What is the purpose of varieties in taxonomy?

<p>To further split a species into more specific groups (D)</p> Signup and view all the answers

What is the significance of Aristotle's contribution to taxonomy?

<p>He developed the first universally accepted system of classification (B)</p> Signup and view all the answers

What is the advantage of using scientific names in taxonomy?

<p>It is easier to remember than descriptive phrases (D)</p> Signup and view all the answers

What is the current estimated number of species on the planet according to taxonomy?

<p>2.13 million (B)</p> Signup and view all the answers

What is the primary purpose of grouping organisms based on their evolutionary relationships?

<p>To provide a framework for studying the relationships among living and extinct species (A)</p> Signup and view all the answers

What is the purpose of subspecies in taxonomy?

<p>To identify variations of species that occur in different regions (D)</p> Signup and view all the answers

Which of the following is a characteristic of a broader taxon?

<p>It has more general characteristics and contains many species (B)</p> Signup and view all the answers

What is the term for a group of organisms classified together based on their shared characteristics?

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

What is the primary focus of modern taxonomists, expanding on Linnaeus's work?

<p>Identifying the underlying evolutionary relationships of organisms (A)</p> Signup and view all the answers

Why do biologists use a classification system to study the diversity of life?

<p>To provide a framework for studying the relationships among living and extinct species (A)</p> Signup and view all the answers

What is the ranking of organisms in taxa based on?

<p>Their evolutionary relationships (D)</p> Signup and view all the answers

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