Main article: Protein (nutrient) A complete protein (or whole protein) is a source of protein that contains an adequate proportion of all nine of the essential amino acids necessary for the dietary needs of humans or other animals.
Ethics is defined as a moral philosophy or code of morals practiced by a person or group of people. An example of ethics is a the code of conduct set by a business. the study of standards of conduct and moral judgment; moral philosophy. a treatise on this study.
Secondly, ethics refers to the study and development of one's ethical standards. As mentioned above, feelings, laws, and social norms can deviate from what is ethical. So it is necessary to constantly examine one's standards to ensure that they are reasonable and well-founded.