In many cells, the structure that controls the cell's activities is the nucleus.
Answer:
compound
Explanation:
a compound is a substance that has been formed by two or more elements .
Answer : Option C) vestigial structures.
Explanation : In the example of whales which is displaying the remnants of the pelvis and femur bones it seems to be the example of vestigial structures.
As vestigial structures are those anatomical feature which no longer seems to have a purpose in the current form of an organism of the given species.
An order of prokaryotic <span>microorganisms...hope that helps...</span>
