Classification and reclassification: genetic evidence | Biology

Starter quiz

Which classification group would contain the most organisms?
- domain ✓
- species
- kingdom
- family
- class
Match the names of the three domains to the organisms that are classified into them.
- eukaryota
  
  ⇔
  
  animals, plants, fungi and protists ✓
- bacteria
  
  ⇔
  
  true bacteria ✓
- archaea
  
  ⇔
  
  extremophiles that live in extreme environments ✓
What is the primary characteristic that distinguishes eukaryotic cells from prokaryotic cells?
- cell membrane
- membrane bound nucleus ✓
- cytoplasm
- cell wall
What major advancement did Carl Woese contribute to the field of classification?
- introduction of the binomial naming system
- discovery of the structure of DNA
- development of the three-domain system ✓
- formulation of the theory of evolution
What are the three domains proposed by Carl Woese in his classification system?
- bacteria ✓
- archaea ✓
- animals
- eukaryota ✓
- protists
How did Linnaeus classify organisms in his classification system?
- based on genetic similarity and differences
- based on their ecological niche
- based on their observable and measurable characteristics ✓