Question:
Earliest fossil form in phylogeny of horse is
Earliest fossil form in phylogeny of horse is
Updated On: Jul 20, 2024
- Merychippus
- Equus
- Mesohippus
- Eohippus
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The Correct Option is D
Solution and Explanation
According to fossils, the evolution of modern horse began in the eocene epoch in North America with a foxsized species originally named Eohippus. But later on, it was renamed Hyracotherium. After its origin, Hyracotherium spread throughout Europe and Asia.
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Concepts Used:
Evolution
Evolution is a process that occurs in changes in the genetic content of a population over time. Evolutionary change is generally classified into two: microevolution and macroevolution. The process of changes in allele frequencies in a population over time is a microevolutionary process. Three main mechanisms that cause allele frequency change are natural selection, genetic drift, and gene flow. On the other hand, macroevolution refers to change at or above the level of the species.