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Division of Integrative Organismal Systems (BIO/IOS)

The U.S. National Science Foundation Division of Integrative Organismal Systems (IOS) supports research that improves the understanding of organisms as integrated units of biological organization.

Recent funding opportunities

Program
Posted November 24, 2025
Program
Next Required Due Date: March 2, 2026
Posted November 6, 2024
Dear Colleague Letter
Next Required Due Date: See letter for details
Posted August 28, 2024
Dear Colleague Letter
Next Required Due Date: See letter for details
Posted May 2, 2024

Upcoming events

Q&As and information sessions
Please join the NSF Directorate for Biological Sciences for a virtual office hour on Thursday, Dec. 18, 2025, at 1 p.m. Eastern time.