Biology for Non-STEM Majors

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Class

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Biology for Non-STEM Majors

Definition

A class is a rank in the biological taxonomy that groups together related orders. It is one level above order and one level below phylum.

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5 Must Know Facts For Your Next Test

  1. Classes are part of the hierarchical system used to organize and categorize all life forms.
  2. Each class contains one or more orders, which in turn consist of families, genera, and species.
  3. The classification into classes helps scientists communicate about groups of organisms with shared characteristics.
  4. Examples of classes include Mammalia (mammals), Aves (birds), and Insecta (insects).
  5. The classification system was developed by Carl Linnaeus in the 18th century and has been refined over time.

Review Questions

  • What is the rank immediately above 'order' in biological taxonomy?
  • Name three examples of biological classes.
  • Why is the classification into classes important for scientists?
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