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Author Question: What is a frustule? a. The by-product of photosynthesis in diatoms b. The rigid cell wall of a ... (Read 46 times)

burton19126

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on: Aug 22, 2018

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. A small appendage on a cyanobacteria



Question 2

What is the most productive photosynthetic plankton apart from Cyanobacteria?
  a. Dinoflagellates
  b. Coccolithophores
  c. Diatoms
  d. Ciliates



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shaikhs

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Reply #1 on: Aug 22, 2018
Answer to Question 1

ANS: B
The frustule of a diatom is mostly made of silica which gives it characteristics like glass. It consists of
two valves or matched halves with perforations in it. Information can be found in the section Most
Phytoplankton are Photosynthetic Autotrophs



Answer to Question 2

ANS: C
Diatoms are extremely abundant photosynthetic organisms. Their efficiency in photosynthesis has
extensively increased the amount of carbon in the atmosphere. Information can be found in the section
Phytoplankton are Autotrophs



burton19126

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Reply 2 on: Aug 22, 2018
Thanks for the timely response, appreciate it

mcarey591

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Reply 3 on: Yesterday
Excellent

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