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Which of the following phylum do not possess true coelom?
- Aschelminthes
- Annelida
- ctenophora
- Platyhelminthes
Correct answer: Platyhelminthes
Solution
Platyhelminthes are acoelomates, meaning they lack a true coelom. Annelida have a true coelom, while Aschelminthes are pseudocoelomates.
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