Classification of Living Organisms (AQA GCSE Biology Combined Science): Flashcards
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What is classification?
What is classification?
Organising organisms into groups based on structure & characteristics
Who developed the Linnaean system & when?
Who developed the Linnaean system & when?
Carl Linnaeus in the 1700s
What are the 7 levels of Linnaean hierarchy?
What are the 7 levels of Linnaean hierarchy?
Kingdom, phylum, class, order, family, genus, species
What is the binomial system?
What is the binomial system?
Naming species using two Latin names
What are the two parts of binomial naming?
What are the two parts of binomial naming?
First part: genus, second part: species
Who developed the three-domain system & when?
Who developed the three-domain system & when?
Carl Woese in late 20th century
What are the three domains?
What are the three domains?
Archaea, Bacteria, Eukaryota
What are the characteristics of Archaea?
What are the characteristics of Archaea?
Primitive bacteria-like organisms in extreme environments
What is Eukaryota?
What is Eukaryota?
Organisms with cells having nucleus enclosed in membranes
What is the purpose of evolutionary trees?
What is the purpose of evolutionary trees?
Diagrams showing evolutionary relationships between species