What is a vestigial stucture
A. A type of soul without a membrane-bound nuclear us and without a membrane bound organelles
B. Structures that occur in different species better similar enough to suggest that that the Species had a common ancestor
C. A type of sale that has a membrane-bound nuclear us in a membrane-bound organelles
D. Structures that appear to have no function for the organism but probably had a function in an ancestral organism