Which of the following correctly lists the three levels of biodiversity in increasing order of hierarchical organization?

Step-by-step solution

1. Identify the three hierarchical levels of biodiversity taught in the chapter: genetic, species, and ecosystem.
2. Recall that the hierarchy proceeds from the smallest unit (genetic) to the largest (ecosystem).
3. Arrange them in increasing order: genetic > species > ecosystem.
4. Match this arrangement with the given options; option 1 matches exactly.

Concept tested: levels of biodiversity

Published 19 September 2026 · How this solution was prepared and checked