Classification

Question 1

Classification

Answer 1

Grouping of organisms or objects based on a set of criteria that helps organize, communicate, and retain information.

Question 2

Taxonomy

Answer 2

Branch of biology that identifies names, and classifies species based on their natural relationships.

Question 3

Binomial nomenclature

Answer 3

the system of nomenclature in which two terms are used to denote a species of living organism

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

Question 6

Family

Answer 6

a family is a taxonomic rank, or a taxon at that rank.

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

a taxonomic rank, as well as a taxonomic unit, a taxon, in that rank

Question 9

Phylum

Answer 9

Traditionally, in botany the term division has been used instead of phylum

Question 10

Division

Answer 10

division refers to a rank equivalent to phylum.

Question 11

Kingdom

Answer 11

a taxonomic rank that is composed of smaller groups called phyla

Question 12

Domain

Answer 12

a taxon in the highest rank of organisms, higher than a kingdom

Question 13

Phylogeny

Answer 13

the history of the evolution of a species or group

Question 14

Characters

Answer 14

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

Question 15

Molecular Clock

Answer 15

figurative term for a technique that uses the mutation rate of biomolecules

Question 16

Cladistics

Answer 16

an approach to biological classification in which organisms are categorized in groups based on the most recent common ancestor.

Question 17

Cladogram

Answer 17

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

Question 18

Archaea

Answer 18

any of a group of single-celled prokaryotic organisms that have distinct molecular characteristics

Question 19

Protists

Answer 19

a single-celled organism of the kingdom Protista, such as a protozoan or simple alga.

Question 20

Fungus

Answer 20

any member of the group of eukaryotic organisms that includes microorganisms such as yeasts and molds, as well as the more familiar mushrooms.