Answer:
hello your question is incomplete attached below is the complete question
answer: option 4 ( I and IV )
Explanation:
when you compare cyclophyllideans and pseudophyllideans they both have scolex ( which is the head portion ) and they both have gravid proglottids ( which is similar units consisting of the body ) .scolex and gravid proglottids belong the order hence these are the characteristics shared by both cyclophyllideans and pseudophyllideans
