Kingdom Animalia Phylum Chordata Class Mammalia Infraclass Marsupialia Order Diprotodontia Family Macropodidae Genus Macropus 4 species within the genus Macropus are known as kangaroos: the Red...
Some are, for example, mammals, fish, bird, insect, etc. Also, more particular classifications are fur, breathing, habitat and so on. To sum it up, they are just things that make or describe a...