DENDROLOGY

Detailed explanation-1: -Yes, if two animals belong to the same Family, they belong to the same order, class and Phylum.

Detailed explanation-2: -If two species belong to the same class, they also belong to the same taxon higher in the hierarchy. Here, They belong to the same phylum and kingdom.

Detailed explanation-3: -For example : if two organisms are in the same ORDER, they must be in the same class, phylum & kingdom. Even though the cat & the housefly have the same species group name (domestica), they CAN’T BE the same species because they are not in the same genus, family, order, etc.

Detailed explanation-4: -According to the biological species concept, organisms belong to the same species if they can interbreed to produce viable, fertile offspring. Species are separated from one another by prezygotic and postzygotic barriers, which prevent mating or the production of viable, fertile offspring.