Answered

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Paleontologists have discovered several ancestors of the modern horse. Based on the skeleton, the skull, and the leg bones:

1. Which fossil is the oldest?
2. Which fossil is most like a modern horse?

Equus
Pliohippus
Merychippus
Mesohippus

Sagot :

GinnyAnsweridn

Final answer:

Eohippus is the oldest fossil, and Equus is the most like a modern horse, representing the evolution of horses over millions of years.


Explanation:

Eohippus is the oldest fossil among the given options, dating back around 55 to 42 million years ago.

The fossil most like a modern horse would be Equus, which is the genus representing the modern horse.

The evolution of horses shows a gradual change in anatomy from small forest-dwelling ancestors to larger, grassland-adapted species, with key adaptations for survival and environmental changes over millions of years.


Learn more about Evolution of horses here:

https://brainly.com/question/43260269


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