Topic 4 - Five Kingdoms Vs Three Domains Flashcards
What is the purpose of classifying organisms?
To understand the genetic relationships between species and organisms
What are the five groups in the Five Kingdoms Classification?
- Animals
- Plants
- Fungi
- Prokaryotes
- Protists
What is the first level of classification in the Five Kingdoms system?
Kingdom
What is the classification of humans in the Five Kingdoms system?
- Kingdom: Animal
- Phylum: Chordata
- Class: Mammalia
- Order: Primate
What is the binomial naming system?
A system based on the genus and species of an organism
What is an example of a binomial name?
Homo sapiens
What were the developments that led to the Three-domain system?
- Improvement of the microscope
- Increased knowledge of biochemistry
- RNA sequence analysis
Who introduced the Three-domain system?
Carl Woese
What are the three domains in the Three-domain system?
- Archaea
- Bacteria
- Eukaryota
What are Archaea?
Primitive bacteria which live in extreme environments such as hot springs
What defines Bacteria in the Three-domain system?
True bacteria, despite having similar features to archaea
What organisms are included in the Eukaryota domain?
- Protists
- Fungi
- Plants
- Animals
Fill in the blank: The Five Kingdoms system classifies organisms into five groups: Animals, Plants, Fungi, Prokaryotes, and _______.
Protists