Classification of Living Things

Diversity of Life

What is classification?

Classification is the grouping of things according to characteristics

The science of classifying organisms is known as taxonomy

Early classification systems Aristotle grouped animals according to the way they moved

John Ray was the first to use the term “species”

Binomial Nomenclature Developed by Linnaeus Two-name system Each organism has a genus and a species name

First name (genus); second name (species)

What is a scientific name? Combination of the genus and species name of an organism

Scientific names of organisms are always italicized or underlined: (Genus is capitalized; species name is lower-case)

Questions What is classification? Why is classifying living things important?

What is taxonomy? Describe binomial nomenclature.

Questions Who developed a system for naming living organisms?

For what is John Ray known? What is a scientific name of an organism and how is it written?

Seven classification groups of living things Kingdom Phylum Class Order

Family Genus Species

Questions

What are the seven classification groups?

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