Final answer:
The 'bipolarization of ethics' refers to applying biological concepts to ethical discussions, an integral aspect of the interdisciplinary field of bioethics.
Step-by-step explanation:
The statement that best describes the 'biologization of ethics' is b) The application of biological concepts to ethical discussions. This encompasses the concept of bioethics, an interdisciplinary field where ethical, legal, and social issues emergent from advances in biology and medicine are analyzed. Bioethics applies biological knowledge to the spheres of ethical inquiry, addressing contemporary issues such as abortion, euthanasia, clinical trials, and environmental ethics. The field examines diverse philosophical perspectives to forge guidelines about issues that are intricately linked to life and technology.