खगोल-जीवविज्ञान (Astrobiology) (also known as exobiology, exopaleontology, and bioastronomy) – the study of evolution, distribution, and future of life in the universe जीवरसायन (Biochemistry) – the study of the chemical reactions required for life to exist and function, usually a focus on the cellular level Biological engineering – the attempt to create products inspired by biological systems or to modify and interact with the biological systems