The outer body wall of sponges is made up of which cells?
Correct answer: B. Pinacocytes
- A. Choanocytes
- B. Pinacocytes
- C. Mesenchymal cells
- D. Cnidocyte
Explanation
The outer body wall of sponges is made up of pinacocytes, which form a protective layer and cover the exterior surface of the sponge.
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About Kingdom Animalia
Animals are multicellular, heterotrophic eukaryotes whose cells lack cell walls and chloroplasts, with specialised tissues in most groups. Coverage includes body symmetry, tissue layers, coelom, segmentation and levels of organisation, plus major phyla such as Porifera, Cnidaria, Platyhelminthes, Annelida, Arthropoda, Mollusca and Chordata.
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