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
- Classes are part of the hierarchical system used to organize and categorize all life forms.
- Each class contains one or more orders, which in turn consist of families, genera, and species.
- The classification into classes helps scientists communicate about groups of organisms with shared characteristics.
- Examples of classes include Mammalia (mammals), Aves (birds), and Insecta (insects).
- 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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