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the act of distributing things into classes or categories of the same type


practice of classifying plants and animals according to their presumed natural relationships

carolus Linnaeus

sweedish botanist who developed the first successful system for classifying living things into similar groups

binomial nomenclature

Classification system in which each species is assigned a two-part scientific name


consisting of two names or terms




A list of names or terms


a group of similar species


group of similar organisms that can breed and produce fertile offspring

taxonomic key

A series of paired statements that describe the physical characteristics of different organisms

field guides

a collection of decriptions and illustrations of organisms

Why do biologists organize living things into groups

so that the organisms are easy to study

How is a scientific name written

The first word is the genus and is always capitalized. The second word refers to the particular species and is not capitalized. It must be written in italics, underlined, or distinctive print

How are taxonomic keys useful

taxonomic keys are useful tools for determining the identity of oganisms

What do the levels of classification indicate about the relationship between organisms

the more classification levels that two organisms share, the more characteristics they have in common

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