Biology Classification Worksheet

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Questions and Answers

The scientific name for an organism consists of the organism's: a._______________________ b._______________________

genus, species

The scientific name must be written in __________________ or _________________

Italic, underlined

The first letter of the ____________________ name is ________________________! And, the first letter of the ___________________ name is in _______________________!

genus, capitalized, species, lowercase

What is the binomial name for humans?

<p>Homo sapiens</p> Signup and view all the answers

A ___________________ is a group of similar organisms that can mate with each other and produce offspring that can also mate and reproduce.

<p>species</p> Signup and view all the answers

What is the genus of Felis concolor?

<p>Felis</p> Signup and view all the answers

What is the species of Felis concolor?

<p>concolor</p> Signup and view all the answers

The more classification levels that two organisms share, the more ___________________ and ________________ they have in common.

<p>relatives, characteristics</p> Signup and view all the answers

List the three domains of living things.

<p>Bacteria, Archaea, Eukarya</p> Signup and view all the answers

What is a prokaryote?

<p>A unicellular organism that lacks a membrane-bound nucleus</p> Signup and view all the answers

What is a eukaryote?

<p>An organism that has a nucleus</p> Signup and view all the answers

List the eight levels of classification used by modern biologists in order from the broadest level to the most specific level.

<p>domain, kingdom, phylum, class, order, family, genus, species</p> Signup and view all the answers

List the 6 kingdoms.

<p>Archaebacteria, Eubacteria, Protista, Fungi, Plantae, Animalia</p> Signup and view all the answers

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Study Notes

Scientific Naming

  • An organism's scientific name consists of two parts: genus and species.
  • Scientific names must be written in italics or underlined.

Capitalization Rules

  • The first letter of the genus name is capitalized.
  • The first letter of the species name is in lowercase.

Example of Scientific Name

  • The binominal name for humans is Homo sapiens.

Definition of Species

  • A species is a group of similar organisms capable of mating and producing fertile offspring.

Example of Classification

  • Mountain lions, scientifically named Felis concolor, belong to the genus Felis and the species concolor.

Common Characteristics in Classification

  • The more classification levels two organisms share, the more relatives and characteristics they have in common.

Domains of Life

  • Three domains of living organisms are: Bacteria, Archaea, and Eukarya.
  • The Eukarya domain includes kingdoms such as Protista, Plantae, Fungi, and Animalia.

Prokaryotic Organisms

  • Prokaryotes are unicellular organisms that lack a membrane-bound nucleus.

Eukaryotic Organisms

  • Eukaryotes are organisms that possess a nucleus.

Levels of Biological Classification

  • The eight levels of classification from broadest to most specific are: domain, kingdom, phylum, class, order, family, genus, species.

The Six Kingdoms of Life

  • The six kingdoms include Archaebacteria, Eubacteria, Protista, Fungi, Plantae, and Animalia.

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