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aleksandrvk [35]
3 years ago
6

Nearly all mammals have seven cervical (neck) vertebrae. This fact implies that

Biology
2 answers:
stiks02 [169]3 years ago
3 0
C.all mammal descended from a common ancestor.
lilavasa [31]3 years ago
3 0

The correct answer is option c- nearly all mammals descended from common ancestors.

Human cervical vertebra consists of 7 bones from top to bottom:

- C1

- C2

- C3

- C4

- C5

- C6

- C7

Cervical vertebra are located just below the skull are the neck bones that control the neck movements. In humans, cervical vertebrae are the smallest of all vertebrae. In different organisms, the size of these vertebrae vary.


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