Which of the following represents order of 'Horse'?
- Perissodactyla
- Caballus
- Ferus
- Equidae
Answer
(1) Perissodactyla
Solution
Horse: species Equus caballus (or Equus ferus caballus).
⇒ Genus: Equus; Family: Equidae; Order: Perissodactyla (odd-toed ungulates); Class: Mammalia.
'Caballus' and 'ferus' are species/subspecies epithets and Equidae is the family.
∴ The order of horse is Perissodactyla.
Answer: (1)