Department of Education - Schools Division of Cebu City, Module 6
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Questions and Answers

What is the term for the study of identifying, naming, and classifying living things in relation to other living things?

  • Morphology
  • Classification
  • Systematics
  • Taxonomy (correct)
  • What physical attributes were used to classify living things in the past?

  • Genetic characteristics
  • Size, shape, color, and body structure (correct)
  • Behavior and habitat
  • Evolutionary relationships
  • What do you call biologists who classify organisms?

  • Systematists
  • Evolutionists
  • Biologists
  • Taxonomists (correct)
  • What is the term for the arrangement of living things in a hierarchical structure based on their evolutionary relationships?

    <p>Tree of Life</p> Signup and view all the answers

    What are the two main classification schemes mentioned in the passage?

    <p>5-Kingdom Scheme and 3-Domain Scheme</p> Signup and view all the answers

    What is the primary focus of the 3-Domain Scheme of classification?

    <p>Evolutionary relationships</p> Signup and view all the answers

    What is a characteristic that archaea and bacteria have in common?

    <p>They reproduce by binary fission</p> Signup and view all the answers

    What is the main difference between archaea and bacteria in terms of their cell composition?

    <p>Membrane composition</p> Signup and view all the answers

    Which type of archaea thrive in environments with great temperature extremes and extremely hot and acidic environments?

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

    What is a byproduct of metabolism produced by methanogens?

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

    Where are Korarchaeota archaea typically found?

    <p>All of the above</p> Signup and view all the answers

    What is the main reason why archaea are divided into a separate domain?

    <p>Because they have different cell wall and membrane composition</p> Signup and view all the answers

    What is the characteristic that defines a monophyletic group?

    <p>Shares a common ancestor</p> Signup and view all the answers

    Which of the following statements is true about species A and D?

    <p>They are an example of a polyphyletic group</p> Signup and view all the answers

    What is the term for the evolutionary history of a group of related organisms?

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

    What is the characteristic that distinguishes domain Eukarya from domains Archaea and Bacteria?

    <p>Eukaryotic cells</p> Signup and view all the answers

    What is the term for a group of organisms that do not share a common ancestor?

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

    What is the purpose of phylogenetic trees?

    <p>To illustrate the evolutionary history of a group of organisms</p> Signup and view all the answers

    What is a characteristic of Domain C that distinguishes it from Domain A and Domain B?

    <p>Presence of a nuclear envelope</p> Signup and view all the answers

    Which domain is characterized by the presence of peptidoglycan in the cell wall?

    <p>Domain B</p> Signup and view all the answers

    What is the primary difference between Domain A and Domain B?

    <p>Type of RNA polymerase</p> Signup and view all the answers

    According to the classification of Carl Woese, what is the most general category of living things?

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

    What is the characteristic of an organism that belongs to the kingdom Plantae?

    <p>Multicellularity and ability to perform photosynthesis</p> Signup and view all the answers

    Which of the following domains is characterized by the ability to grow at temperatures above 100°C?

    <p>Some species in Domain B</p> Signup and view all the answers

    What is the primary purpose of a phylogenetic tree?

    <p>To show the patterns of descent among organisms</p> Signup and view all the answers

    What can be inferred from the branching sequence in a phylogenetic tree?

    <p>The patterns of descent among organisms</p> Signup and view all the answers

    Why may closely related organisms not resemble each other?

    <p>Because they have evolved at different rates</p> Signup and view all the answers

    What is the relationship between taxon C and taxon B in Figure 3?

    <p>They both evolved from a common ancestor</p> Signup and view all the answers

    What is the basis for classifying organisms in phylogenetic analysis?

    <p>Both morphological and molecular characteristics</p> Signup and view all the answers

    What are the three groups that can be identified in phylogenetic trees?

    <p>Monophyletic, paraphyletic, and polyphyletic</p> Signup and view all the answers

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