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Question

Which one of the following cells in sponges catch food?

A
Pinacocytes
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B
Choanocytes
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C
Thesocytes
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D
Archaeocytes
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Solution

The correct option is B Choanocytes
  • Sponges are primitive multicellular animals and have a cellular level of organization.
  • Sponges have different types of cells in their body.
  • Thesocytes store food and are also a type of amoebocytes.
  • Pinacocytes and Porocytes are two types of cells in the outer dermal layer or pinacoderm.
  • Choanocyte cells line the spongocoel and the canals of the water canal system.
  • Digestion in sponges is intracellular and occurs first within the choanocytes and then within the feeding cells trophocytes.

Thus, the correct answer is option B.

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