Classification of Living Organisms (OCR GCSE Biology A (Gateway Science Suite)): Flashcards
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Classification (definition)
Classification (definition)
Organizing living organisms into groups based on structure & characteristics
Developer of Linnaean system & time period
Developer of Linnaean system & time period
Carl Linnaeus in the 1700s
7 levels of Linnaean hierarchy (in order)
7 levels of Linnaean hierarchy (in order)
Kingdom, phylum, class, order, family, genus, species
Binomial system (definition)
Binomial system (definition)
Naming species using two Latin names (genus & species)
Two parts of binomial naming system
Two parts of binomial naming system
1st part: genus; 2nd part: species
Scientific name of ladybug (example)
Scientific name of ladybug (example)
Harmonia axyridis
Developer of three-domain system & time
Developer of three-domain system & time
Carl Woese in late 20th century
Archaea (definition)
Archaea (definition)
Primitive bacteria-like organisms in extreme environments (hot springs, salt lakes)
Bacteria domain (definition)
Bacteria domain (definition)
True bacteria, distinct from archaea
Eukaryota (definition)
Eukaryota (definition)
Organisms with cells containing nucleus in membranes
Four kingdoms in Eukaryota
Four kingdoms in Eukaryota
Protists, fungi, plants, and animals
Evolutionary trees (definition)
Evolutionary trees (definition)
Diagrams showing evolutionary relationships between species
Why three-domain system was developed
Why three-domain system was developed
Improved microscopy & RNA sequencing revealed organisms were more distantly related than believed