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Organizing Life’s Diversity. Organizing Life’s Diversity. About 1.8 million species of organisms have been named and described . Biologists have created a system for categorizing organisms, separating them into groups according to their similarities. Levels of Classification.
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Organizing Life’s Diversity • About 1.8 million species of organisms have been named and described. • Biologists have created a system for categorizing organisms, separating them into groups according to their similarities.
Levels of Classification • Species: a group of organisms whose members have the same structural traits and who can interbreed with each other. • Genus (plural genera): a group of related species. • Family: a taxonomic group comprised of members of similar genera. • Order: a group of similar families.
Class: a taxonomic group comprised of members of similar orders. • Phylum (plural phyla): a major taxonomic group, lower than the kingdom, comprising members of similar classes. • Kingdom: a taxonomic group comprised of members of similar phyla.
Memorize • Keep - Kingdom • Pots - Phylum • Clean - Class • Or - Order • Family - Family • Gets - Genus • Sick - Species
The Six kingdoms Of Life • Archaebacteria • Eubacteria • Protista • Fungi • Plantae • Animalia
Question 1 • Which group includes all of the other groups? • A. genus. • B. order. • C. class. • D. family. • E. species.
Question 2 • Four of the five answers listed below are taxonomic categories. Select the exception. • A. family. • B. kind. • C. species. • D. order. • E. genus.
Question 3: True/false . A scientific name consists of a genus name followed by a species name.
Answers • Question 1: C. class. • Question 2: B. kind. • Question 3: True