the tube within tube body plan is not present in
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what is this about the answer to the question is how do I
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The tube within "tube body plan" is absent in Leeches.
Explanation:
The type of arrangements in which a fluid filled cavity is found between the digestive tube and outer body wall it is called as tube within tube body plan. Such type of arrangements is found is species which are categorized as:
- Acoelomate
- Pseudoceolomate
- Acoelomate
As leech doesn’t belong to the above mentioned categories, the "tube within tube body plan" is absent in it.
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