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Question
Living organism with oldest fossil history is:
Living organism with oldest fossil history is:
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Solution
The correct option is C Horse
Horse is the living organism with oldest fossil history. The evolution of horse, a mammal of the family Equidae, occurred over a geologic time scale of 50 million years, transforming the small, dog-sized, forest-dwelling Eohippus into the modern horse. Some features of Eohippus showed its relativity to modern horse.- Its limbs were long relative to its body, already showing the beginnings of adaptations for running.
- Its feet were padded, much like a dog's, but with the small hooves in place of claws.
So, the correct answer is option C.
Horse is the living organism with oldest fossil history. The evolution of horse, a mammal of the family Equidae, occurred over a geologic time scale of 50 million years, transforming the small, dog-sized, forest-dwelling Eohippus into the modern horse. Some features of Eohippus showed its relativity to modern horse.
- Its limbs were long relative to its body, already showing the beginnings of adaptations for running.
- Its feet were padded, much like a dog's, but with the small hooves in place of claws.
So, the correct answer is option C.
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