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1. What characteristic is shared by organisms in Domain Archaea?

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20 points
They all cause diseases
They are all photosynthetic
They can live in extreme environments
They are all parasitic
2. What is the primary characteristic that distinguishes organisms in Domain Eukarya from other domains?
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20 points
They are all multicellular
They have a true nucleus
They can photosynthesize
They have cell walls
3. Which statement about domains is NOT correct?
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20 points
Bacteria and Archaea are both prokaryotic
All three domains contain organisms with cell membranes
Only Eukarya contains multicellular organisms
Archaea and Bacteria have their DNA housed in the nucleus
4. In Linnaean classification, what is the correct order of taxonomic ranks from most inclusive to least inclusive?
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20 points
Species, Genus, Family, Order, Class, Phylum, Kingdom, Domain
Domain, Kingdom, Phylum, Class, Order, Family, Genus, Species
Kingdom, Domain, Phylum, Class, Order, Family, Genus, Species
Domain, Phylum, Kingdom, Class, Order, Family, Genus, Species
5. How would you classify an organism with the following characteristics:
-multicellular
-heterotrophic
-mobile (can move on own)
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20 points
Kingdom Eubacteria
Kingdom Plantae
Kingdom Fungi
Kingdom Animalia

1 answer

Here are the correct answers for each question:

  1. What characteristic is shared by organisms in Domain Archaea?
    Answer: They can live in extreme environments.

  2. What is the primary characteristic that distinguishes organisms in Domain Eukarya from other domains?
    Answer: They have a true nucleus.

  3. Which statement about domains is NOT correct?
    Answer: Archaea and Bacteria have their DNA housed in the nucleus. (This statement is incorrect because both Archaea and Bacteria are prokaryotic and do not have a true nucleus.)

  4. In Linnaean classification, what is the correct order of taxonomic ranks from most inclusive to least inclusive?
    Answer: Domain, Kingdom, Phylum, Class, Order, Family, Genus, Species.

  5. How would you classify an organism with the following characteristics:

    • multicellular
    • heterotrophic
    • mobile (can move on own)
      Answer: Kingdom Animalia.

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