The evolution of the vertebrate skeleton system
A) originated with a snake-like animal whose descendants gradually developed limbs.
B) enabled tetrapods to colonize land.
C) originated in an earlier exoskeleton.
D) made animals significantly taller.
The evolution of the vertebrate skeleton system enabled tetrapods to colonize land.
It is because tetrapods are animals with four legs. The tetrapods evolved from the animals living in water having gills, fins about 500 million years ago. With time, the tetrapods developed complete vertebral column, bony skeleton and jaws. These changes permitted them to live on land. Thats why evolution of vertebral skeletal system enabled tetrapods to colonize land.
So, the correct option is (B).
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The evolution of the vertebrate skeleton system A) originated with a snake-like animal whose descendants gradually...