(B) In phylum $Echinodermata$, respiration occurs through various specialized structures depending on the class. These include dermal branchiae (also

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(B) In phylum $Echinodermata$, respiration occurs through various specialized structures depending on the class. These include dermal branchiae (also known as gills or papulae), tube feet, respiratory trees (found in sea cucumbers), and bursae (found in brittle stars). Therefore, the correct answer is $Echinodermata$.

Class 11 Biology Animal Kingdom Phylum-Echinodermata

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Respiration by dermal gills $(branchiae)$ and respiratory tree is performed by the animals of

A
Mollusca
B
Echinodermata
C
Protochordata
D
Arthropoda

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Class 11

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Chapter

Animal Kingdom

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Phylum-Echinodermata

Echinoderms are headless,brainless,and heartless. Yet,they are placed at the top of invertebrates because of the presence of:

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Triploblastic,coelomate,complete digestive system and radial symmetry is found in$-$

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Whose body wall is made of calcium carbonate?

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Sea lilies are the members of which class?

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Absence of head, unsegmented body and endoskeleton of dermal calcareous plate are the characters of

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Respiration by dermal gills $(branchiae)$ and respiratory tree is performed by the animals of

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Echinoderms are headless,brainless,and heartless. Yet,they are placed at the top of invertebrates because of the presence of:

Triploblastic,coelomate,complete digestive system and radial symmetry is found in$-$

Whose body wall is made of calcium carbonate?

Sea lilies are the members of which class?

Absence of head, unsegmented body and endoskeleton of dermal calcareous plate are the characters of

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