In which of the following organisms, true coelom is absent?

Platyhelminthes

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Echinoderms

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Annelida

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Arthropods

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Solution

The correct option is A Platyhelminthes
The Platyhelminthes or flatworms are a phylum of relatively simple bilaterian, unsegmented, soft-bodied invertebrates. They are acoelomates and have no specialized circulatory and respiratory organs.
So, the correct answer is option A.

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Question 40
Classify the following organisms based on the absence/presence of true coelom (i.e., acoelomate, pseudocoelomate and coelomate)
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Q. Which among the following are true coelomate ______________.

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In which of the following organisms, true coelom is absent?

The correct option is A PlatyhelminthesThe Platyhelminthes or flatworms are a phylum of relatively simple bilaterian, unsegmented, soft-bodied invertebrates. They are acoelomates and have no specialized circulatory and respiratory organs.So, the correct answer is option A.

The correct option is A Platyhelminthes
The Platyhelminthes or flatworms are a phylum of relatively simple bilaterian, unsegmented, soft-bodied invertebrates. They are acoelomates and have no specialized circulatory and respiratory organs.
So, the correct answer is option A.