Lesson 1 Flashcards
Largest formal taxonomic category in the linnaean classification of animal kingdom
Phylum
This include all animal phyla except porofera, placozoa, cnidaria, ctenophora
Bilateria
Bilateria is divided into ____ and ___
Protostomia and deuterostomia
Protostomia is further divided into
Ecdysozoa
Lophotrochozoa
Who proposed the three monophyletuc domains above kingdom level and why
Woese, Kandler, Wheelis
ribosomal RNA sequence
What are the three monophyletuc domains
Eukarya
Bacteria
Archaea
New taxonomic sulystem that is being developed
PhyloCode
Percent of extant animals known
20%
Percent of extinct animals known
1%
How many species of animald are named with kthousands being described each year
1.5 million
Reflects relationship among animals om nature and outside human context
Natural system
Serves as a guide in naming animals
Darwin’s theory of evolution
Formal system of naming and classifying species following the principle of common descent
Taxonomy
Broader science of classifying organisms
Systematics (comparative biology)
Greek biologist / philosopher who first classified organisms based on structural similarities
Aristotle
Swedish botanist who first classified organisms based on strcutural similarities
Carolus Linnaeus
What is the work of carolus linnaeus
Systema natura
This divided animal kingdom inyo species and gave each a distinct name
Linnaean system of classification
How are animals arranged of groups regarding its inclusiveness
Ascending order
Major animal group in each level
Taxa
General degree of inclusiveness per group
Taxonomic rank
Seven manadatory major ranks
Kingdom
Phylum
Class
Order
Family
Genus
Specie
Taxonomists ask whether a species being classified contains the defining feature of a particular taxonomic class.
Classification
Taxonomist asks whether the characteristics of a species confirm or reject the hypothesis that it descends from the most recent common ancestor of a particular taxon.
Systemization
