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protoglottids are functional segments intaenia and similar structure repeats in it .

protoglottids are functional segments intaenia and similar structure repeats in it .

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Grade:12th pass

1 Answers

Aastha Singh
askIITians Faculty 212 Points
5 years ago
Statement A- Yes, proglottids are functional (since they contain both male and female reproductive organs thereby facilitating fertilisation in tapeworms, also gravid proglottids store egg filled uterus) and repetitive (since similar units called proglottids add on to one another forming continuous chain which constitutes the major portion of tapeworm body). 
 
Statement B- Partially correct statement, cephalization does occur in flat worms, where brain is confined to anterior portion of the body, and most of the sense organs also accumulate in that very portion.
 
     But the brain is not well developed but simple central nervous system is present , just ganglion ring and ventral nerve chord.

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