Domains of Life (Leaving Cert Biology): Flashcards
📚Flashcards
Practise the cards
12 cards from this deck
ShowHide
Practise the cards
12 cards from this deck
Who proposed the three-domain system in 1990?
Who proposed the three-domain system in 1990?
Carl Woese
Largest grouping in classification of life
Largest grouping in classification of life
Domain
Three domains of life
Three domains of life
Bacteria, Archaea, and Eukarya
Cell type of Bacteria
Cell type of Bacteria
Prokaryotic
Material in bacterial cell walls
Material in bacterial cell walls
Peptidoglycan
Do Archaea have peptidoglycan in cell walls?
Do Archaea have peptidoglycan in cell walls?
No, no peptidoglycan present
Typical habitats of Archaea
Typical habitats of Archaea
Extreme environments (hot, salty, acidic/alkaline)
Do Archaea cause diseases in humans?
Do Archaea cause diseases in humans?
No, they do not cause diseases
Cell type of Eukarya
Cell type of Eukarya
Eukaryotic (with membrane-bound nucleus)
Chromosome structure in Bacteria and Archaea
Chromosome structure in Bacteria and Archaea
Single, circular
Chromosome structure in Eukarya
Chromosome structure in Eukarya
Multiple, linear
What is phylogeny?
What is phylogeny?
Study of evolutionary relationships between organisms