Answer:
I don't think so. Just your non-electives. You don't have take the electives again if you fail them. But still try.
Explanation:
Weather they have well distinct and differentiated body structure or not. 2)They have vascular tissues or not.
3)They are able to bear seed or not.
Because of their cultural and economical differences.
It would be C beacquse it is incorrect from the bC time period