Question:
Which one of the following equid genera was a one-toed grazer?
Which one of the following equid genera was a one-toed grazer?
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Pliohippus is one of the key evolutionary steps towards the modern single-toed horses we know today.
Updated On: Dec 26, 2025
Merychippus
Parahippus
Pliohippus
Mesohippus
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The Correct Option is C
Solution and Explanation
The equids (members of the horse family) evolved from multi-toed ancestors to modern one-toed species. Among the options:
- Merychippus (A) was an early equid that had three toes and is considered an ancestor of modern horses. - Parahippus (B) also had three toes, although it is an important genus in understanding the evolution towards single-toed grazers. - Pliohippus (C) is the correct answer, as it is considered the first true one-toed grazer in the evolutionary lineage of horses. - Mesohippus (D) was another multi-toed equid, which lived before Merychippus.
Thus, Pliohippus (C) is the correct genus known for being a one-toed grazer.
- Merychippus (A) was an early equid that had three toes and is considered an ancestor of modern horses. - Parahippus (B) also had three toes, although it is an important genus in understanding the evolution towards single-toed grazers. - Pliohippus (C) is the correct answer, as it is considered the first true one-toed grazer in the evolutionary lineage of horses. - Mesohippus (D) was another multi-toed equid, which lived before Merychippus.
Thus, Pliohippus (C) is the correct genus known for being a one-toed grazer.
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