Classification Flashcards
How do classify organisms now (present time)?
We use Linnaeus’ system but add comparison of body chemistry and development features (e.g DNA sequence and analogous structures)
What is a taxon?
A group level of organisation
Why do we use binomial nomenclature?
Because all organisms are given a universal name (every forum country uses the same name)
How many taxons are there?
Eight
What is classification?
A system that groups organisms based on common features they share
What are the names of the taxons in order from broadest to most specific?
Domain, Kingdom, phylum, class, order, genus, species
What are the four kingdoms of the eukarya domain?
Protista, fungi, plantae and anamalia
How are scientific names written in binomial nomenclature?
Genus name followed by species name. Genus is capitalised, species is lower case. Entire name is italicised.
Why do we classify?
To study the diversity of life and group organisms in a logical manner
The 3 domain system really shows differences in the?
Prokaryotes
What is taxonomy?
The science of classification
What does it mean to be the most specific level of classification?
It’s more exclusive, only one type of species in this category.
What is binomial nomenclature?
A two part naming system
What are the three domains?
Eukarya, bacteria(Eubacteria) and Archaebacteria
Sometimes organisms look similar but are not related. Why?
Convergent evolution