In which of the following phyla is sexual dim | vedclass

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(C) Sexual dimorphism refers to the distinct morphological differences between males and females of the same species.In the phylum $Platyhelminthes$ (

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Platyhelminthes

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(C) Sexual dimorphism refers to the distinct morphological differences between males and females of the same species.In the phylum $Platyhelminthes$ (flatworms),most organisms are hermaphrodites (monoecious),meaning both male and female reproductive organs are present in the same individual.Because they are hermaphroditic,they do not exhibit sexual dimorphism.In contrast,$Annelida$,$Amphibia$,and $Mollusca$ generally contain species that are dioecious (separate sexes),where males and females can be distinguished morphologically.

In which of the following phyla is sexual dimorphism not observed?

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