Taxonomy Flashcards
Taxonomy is…
The naming of organisms and grouping them into logical categories.
Phylogeny is
Demonstrating how organisms are related
“Evolutionarily” or putting things into groups based on similar characteristics and habits.
Taxis=
Arrangements
Scientific names of organisms are in what language?
Latin
There are 8 levels of taxonomic classification, they are…
Domain Kingdom Phylum Class Order Family Genus Species
Organisms names follow the binomial system of nomenclature, which means…
They use 2 Latin names.
The genus and the epithet (species)
A genus is
A group of closely related organisms
A specific epithet identifies…
The particular species to which the organism belongs.
Binomial names are_______ when typed and _______when written.
Italicized
Underlined
The first letter of the genus is ________; the specific epithet is ______.
Capitalized
Not
Example: Thamnophis sirtalis
The 3 domains of life are?
Archaea
Bacteria
Eukarya
The 4 kingdoms are…
Protista
Fungi
Plantae
Animalia
What is a cladogram?
An organized diagram of organisms based on similarity and/or proposed ancestral relationships.
Domain Eubacteria is…
True bacteria
Unicellular
Small
Prokaryotic (no nucleus)
Contain a single, circular chromosome and reproduce asexually.
Cell walls made of peptidoglycan.
Can be rods, spheres or spirals
Move via slime or flagella
Domain Archaea is…
Unicellular
Can be spheres, spirals, filaments or flat plates
Prokaryotic
No peptidoglycan in cell walls
Unique membranes
Metabolically labeled as extremophiles.
Methanogens
Produce methane
Found in sewage, guts of ruminants, intestines of humans.
Halobacteria
Lives in extremely salty environments
Photosynthetic
Thermophiles
Live in high temperatures or areas with high sulfur concentrations
Kingdom Protista
Most are unicellular Some form colonies Diverse 60,000 species Live in freshwater, marine, terrestrial Some are parasitic Reproduce asexually via mitosis
Classifying Protists
Algae
Protozoans
Slime molds
Algae is
Unicellular and multicellular
Protozoans
Animal-like protists
Amoebas, water bears etc.
Slime Molds
Plasmodial
Cellular
