NYSTCE 160 Biology Practice Exam 2025 – Complete Prep Guide

Question: 1 / 400

How many distinct levels exist in the hierarchical taxonomy system?

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In the hierarchical taxonomy system, there are eight distinct levels, which are used to classify and organize living organisms. These levels, from the broadest to the most specific, are domain, kingdom, phylum, class, order, family, genus, and species. Each level represents a rank in the classification hierarchy where organisms are grouped based on shared characteristics.

The highest level, the domain, is a relatively recent addition, recognizing the three main divisions of life: Bacteria, Archaea, and Eukarya. This structuring provides a clear framework for biologists to discuss the relationships among different organisms, facilitating scientific communication and study. The comprehensive nature of this eight-tier system allows for detailed classification while still highlighting broader biological relationships. Understanding these levels is crucial for comprehending the diversity of life and the evolutionary connections between different organisms.

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