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Home Q & A Board Science-Related Homework Help Geography and Earth Sciences
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anvaridthe anvaridthe
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Posts: 740
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6 years ago
What is a frustule?
 A) The by-product of photosynthesis in diatoms
  B) The rigid cell wall of a diatom
  C) A microscopic phage that attacks diatoms
  D) None of these choices
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scatherinescatherine
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6 years ago
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anvaridthe Author
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6 years ago
Smart ... Thanks!
kamikazekota
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Yesterday
this is exactly what I needed
Fleury
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2 hours ago
Good timing, thanks!
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