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20 Cards in this Set

  • Front
  • Back

What is systematics?

the branch of biology that deals with classification and nomenclature; taxonomy.

What is a taxon?

a taxonomic group of any rank, such as a species, family, or class.

Who is Carl Linneaus and what did he do?

His system for naming, ranking, and classifying organisms is still in wide use today with many changes.

What is nomenclature?

the devising or choosing of names for things, especially in a science or other discipline.

What is the order of taxonomic categories?

There are seven main taxonomic ranks: kingdom, phylum or division, class, order, family, genus, species.

What is the standard for naming new species?

The ICZN does not usually deal with the routine descriptions, naming and publishing of new species, this is a practical matter for taxonomists however the ICZN does define the rules which create the framework under which this can be undertaken.

What is binomial nomenclature?

the system of nomenclature in which two terms are used to denote a species of living organism, the first one indicating the genus and the second the specific epithet.

How is binomial nomenclature written? What language?

Writing binomial names. By tradition, the binomial names of species are usually typeset in italics; for example, Homo sapiens

What does polyphyletic mean?

derived from more than one common evolutionary ancestor or ancestral group and therefore not suitable for placing in the same taxon.

How many Domains are there?

According to the Woese system, introduced in 1990, the tree of life consists of three domains: Archaea (a term which Woese created), Bacteria, and Eukarya. The first two are all prokaryotic microorganisms, or single-celled organisms whose cells have no nucleus.

What eukaryotic organisms are single celled and have their own kingdom?

animal, plant, fungi, protist, eubacteria, archaeobacteriav

What eukaryotic organisms are autotrophic and have their own kingdom?

These organisms are a part of the kingdom Archaebacteria (otherwise known as just "Archaea"), which consists of bacteria. As their name implies, archaebacteria live in

What physical characteristics of cells separate plant and animal cells?

is the identification and naming of species and the arrangement of them into biological classes

What is evolutionary systematics?

classification, or Darwinian classification, and Synthetic systematics, is a way to determine natural relationships of organisms by studying a group in detail and comparing degree of similarity.

What does homology mean?

the quality or condition of being homologous.

What does phylogeny mean?

the branch of biology that deals with phylogenesis.

Draw a sketch of the fox from the PPT that indicated anatomical direction. Ex. Ventral,Dorasal ect.

What is a dichotomous key and what is it used for?

A dichotomous key is a tool that allows the user to determine the identity of items in the natural world, such as trees, wildflowers, mammals, reptiles, rocks, and fish. Keys consist of a series of choices that lead the user to the correct name of a given item. "Dichotomous" means "divided into two parts".

What is a cladogram and what is it used for?

A branching treelike diagram used to illustrate evolutionary (phylogenetic) relationships among organisms. Each node, or point of divergence, has two branching lines of descendance, indicating evolutionary divergence from a common ancestor.

Describe the two methods used to classify animals, physical characteristics/genetics.

The term "genetic characteristics" can refer to a genotype, which is the specific DNA sequence that codes for a trait, or a phenotype, which is how the specific DNA sequence manifests itself in the organism -- often, but not always, the phenotype is how the organism looks.