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The Evolution of A Porcupine
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The Evolution of A Porcupine
By Connor Roberts, Cade Maynor, Colten Workman, Keara Lilly
What did Porcupines Evolve From
Porcupines evolved from hedgehogs, which evolved from Spinolestes xenarthrosus. A Spinolestes xenarthrosus is a rat-sized mammal, that relied more on sound rather than sight.
What Are Porcupines Related To?
Porcupines are closely related to beavers, mice, rats, squirrels, and chipmunks.
Spinolestes Xenarthrosus History
Spinolestes xenarthrosus were the first mammals to be recorded, they roamed the Earth with the dinosaurs. They lived in tropical and temperate climates.
How did porcupines get their quills
The new world porcupines developed their quills independently through convergent evolution.
How many Types of Porcupines Are there?
There are two types of porcupines:
The New World Porcupines
The Old World Porcupines
How are Porcupines Different Today?
Porcupines are different today because when their distant ancestors started appearing on the Earth they relied more on hearing rather than sight. They did not have quills on their back and they were the size of a rat.