Understanding Classification

A group of organisms that look alike and can reproduce among themselves is known as a ___________.

• domain

• kingdom

• genus

• species

How many levels are i the system that scientists use for classification?

• 8

• 7

• 6

• 5

The grouping of things according to their similarities is called_____.

• classification

• categorizing

• leveling

• organizing

Which is the broadest classification level?

• species

• kingdom

• family

• domain

The two-word naming system used in modern classifications called _____.

• diurnal

• denormal nomenclature

• binomial nomenclature

• bimodal system

Which is the most specific classification level?

• family

• genus

• species

• class

An organism's scientific name consists of _______.

• domain kingdom

• phylum class

• family species

• genus species

Which of the following is NOT a rule to writing scientific names?

• The genus is the first word and capitalized.

• Both the genus and species are capitalized.

• The second word is the species and is lower case.

• The scientific name is either italized or underlined.

Which of the following sequences represents the classification of an organism from most specific to most general?

• Phylum, Kingdom, Class, Order, Domain, Family, Genus, Species

• Genus, Species, Order, Family, Class, Domain, Phylum, Species

• Kingdom, Phylum, Class, Family, Family, Order, Genus, Domain, Species

• Species, Genus, Family, Order, Class, Phylum, Kingdom, Domain

True or False: Scientists have been using a classification system for organisms for more than 400 years.

• TRUE

• FALSE