Ursus is a genus in the family Ursidae (bears). The family Ursidae consists of 8 species of bears. While a genus Ursus consists of only four species of bears.
What do you mean by Genus?
A genus may be defined as a class, kind, or group marked by common characteristics or by one common characteristic specifically :
There are more species in Family Ursidae than there are in Genus Ursus. This is because the classification of families are higher than that of the genus. In other words, we can say that family is higher than genus.
Therefore, Ursus is a genus in the family Ursidae (bears). The family Ursidae consists of 8 species of bears. While a genus Ursus consists of only four species of bears.
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