Taxonomy Flashcards
(35 cards)
How many species are there
13 billion
What percent of all organisms that have ever lived is this?
5%
Are all organisms on earth today identified
No
Define classification
The arrangement of organisms into groups based on their similarities
Who was the first taxonomist and what 2 groups did he place organisms in
Aristotle and animals and plants
How did Aristotle subdivide his 2 groups
By habitat
What 18th century taxonomist developed the naming system still used today
Linnaeus
How did Linnaeus group his organisms
By structure
What is Linnaeus’s naming system called
Binomial nomenclature
What language is used for scientific naming
Latin
Sometimes, scientific names may be —– instead of Latin
Greek
Who is the father of taxonomy
Linnaeus
Explain binomial nomenclature
2 word name, genus and species
How do scientific names appear when hand written
Underlined
How do scientific names appear in print
italicized
Which word of a scientific name must be capitalized
Genus
What is the common and scientific name for people
Homo sapiens
What is a taxon
Category/ group into related organisms are placed
What is the plural form of taxon
Taxa
There is a ——– of groups that goes from the broadest grouping to the most ——- grouping
Hierarchy and specific
8 taxa in order from broadest to most specific
Domain, kingdom, phylum, class, order, family, genus, species
What is the newest and broadest taxon
Domain
What is the most specific taxon
Species
Humans belong to which taxa
Eukarya