| Abbreviation | Definition |
|---|---|
| IBBS | Integrated Biological Behavioral Surveillance |
| IBBTF | Integrated Biological Biorefinery Task Force |
| IBCB | Institute of Biochemistry and Cell Biology |
| IBCB | Institute of Bioinformatics and Computational Biology |
| IBMB | Insect Biochemistry and Molecular Biology |
| IBMB | Institute of Biochemistry and Molecular Biology |
| IBO | International Biology Olympiad |
| IBO | International Biology Olympic |
| IBP | Integrative Biology and Pharmacology |
| IBP | Introductory Biology Project |
| IBRD | Interagency Biological Restoration Demonstration |
| IBSB | Integrative Biology of Social Behaviors |
| IBSC | Institute for the Biology of Stem Cells |
| IBTF | Introductory Biology Task Force |
| IBV | Institute of Biology Valrose |
| ICABS | International Congress on Applied Biological Sciences |
| ICB | Immunology and Cell Biology |
| ICB | Integrative and Comparative Biology |
| ICBF | International Congress on the Biology of Fish |
| ICBMA | International Conference on Biological and Medical Applications |