C. <em>A process of change in organisms over a period of time</em>
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Similar structures that evolved independently are called analogous structures
Answer: The superior saggital sinus is located in the falx cerebri.
Explanation:
The superior sagittal sinus also called superior longitudinal Linus is found in the human head, it is an unpaired area located in the falx cerebri. It drain blood from the lateral region of anterior cerebral hemispheres to the confluence of the sinuses.