Tolong jelaskan mengenai {| class="wikitable" border="1" dari Ras manusia

|+ Biological definitions of race ! Concept || Reference || Definition

| Esentialis ||  || "A great division of mankind, characterized as a group by the sharing of a certain combination of features, which have been derived from their common descent, and constitute a vague physical background, usually more or less obscured by individual variations, and realized best in a composite picture."