Which of the following are known as the internal buds?
Correct answer: C. Gemmules
- A. Spicules
- B. Choanocytes
- C. Gemmules
- D. Both options A and B are correct
Explanation
OPTION A: All sponges except class mykospongida have skeletons. The skeleton consists of carbonate of lime or silicon in the form of spicules or of spongin(a fibrous protein) in the form of fibers. OPTION B: Choanocytes are the cells that line the spongocoel and canals of poriferans. OPTION C: Gemmules are internal buds found in sponges and are involved in asexual reproduction. Hence, C is the correct option. OPTION D: It is an incorrect option.
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