Final answer:
The scientific name for a horse is Equus caballus. Additional close relatives include the donkey (Equus asinus), the mountain zebra (Equus zebra), and Grevy's zebra (Equus grevyi).
Step-by-step explanation:
The scientific name for a horse is Equus caballus. Horses are classified in the kingdom Animalia, phylum Chordata, class Mammalia, order Perissodactyla, family Equidae, and genus Equus. In addition to the horse, there are several close relatives in the Equidae family which include:
- Equus asinus - The donkey.
- Equus zebra - The mountain zebra.
- Equus grevyi - Grevy's zebra.
These animals are ungulates, meaning they are hoofed mammals. The genus Equus includes all modern equines. A notable extinct species depicted in the evolutionary history of the horse is Przewalski's horse, which is actually not extinct but was once considered to be, and is classified as Equus przewalskii.
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