Unlike other algae, diatoms do not readily decay due to___________?
Correct answer: B. Siliceous wall
- A. Nonliving cells
- B. Siliceous wall
- C. Mucilaginous wall
- D. Water proof cell
Explanation
The siliceous wall of a diatom is resistant to decay, so empty frustules can accumulate after the organic cell material decomposes. The mucilaginous wall is a tempting choice because mucus may protect some organisms, but it does not provide the same durable mineral support.
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