classification

Question 1

Classification

Answer 1

the arrangement of animals and plants in taxonomic groups according to their observed similarities

Question 2

Taxonomy

Answer 2

the branch of science concerned with classification, especially of organisms; systematics.

Question 3

Binomial nomenclature

Answer 3

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.

Question 4

Taxon

Answer 4

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

Question 5

Genus

Answer 5

a principal taxonomic category that ranks above species and below family, and is denoted by a capitalized Latin name

Question 6

Family

Answer 6

one of the eight major taxonomic ranks; it is classified between order and genus.

Question 7

Order

Answer 7

a taxonomic rank used in the classification of organisms and recognized by the nomenclature codes.

Question 8

class

Answer 8

ranks in descending order of size are life, domain, kingdom, phylum, order, family, genus, and species

Question 9

Phylum

Answer 9

A taxonomic rank at the level below Kingdom

Question 10

Division

Answer 10

taxonomic rank in biological classification that is used differently in zoology and in botany.

Question 11

Kingdom

Answer 11

a taxonomic category of the highest rank, grouping together all forms of life having certain fundamental characteristics in common

Question 12

Domain

Answer 12

highest taxonomic rank of organisms in the three-domain system of taxonomy designed by Carl Woese, an American microbiologist and biophysicist

Question 13

Phylogeny

Answer 13

evolutionary development and history of a species or higher taxonomic grouping of organisms

Question 14

Characters

Answer 14

any observable feature, or trait, of an organism, whether acquired or inherited.

Question 15

Molecular clock

Answer 15

technique that uses the mutation rate of biomolecules to deduce the time in prehistory when two or more life forms diverged.

Question 16

Cladistics

Answer 16

classification in which organisms are categorized based on shared derived characteristics that can be traced to a group’s most recent common ancestor and are not present in more distant ancestors.

Question 17

Cladogram

Answer 17

a branching diagram showing the cladistic relationship between a number of species.

Question 18

Archaea

Answer 18

Any of the unicellular microorganisms that is genetically distinct from bacteria and eukaryotes, and often inhabiting extreme environmental conditions

Question 19

Protists

Answer 19

eukaryotic organisms that cannot be classified as a plant, animal, or fungus.

Question 20

Fungus

Answer 20

any of a group of unicellular, multicellular, or syncytial spore-producing organisms feeding on organic matter, including molds, yeast, mushrooms, and toadstools.