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Q: 14. The cell walls of diatoms is made of A) calcium B) silica C) iron D) carotene E) all the above
A: The cell walls of diatoms is made of silica.
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Asked 6/16/2012 8:37:31 AM
Updated 10/12/2015 9:19:29 PM
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The cell walls of diatoms is made of silica.
Added 10/12/2015 9:19:29 PM
This answer has been confirmed as correct and helpful.
Confirmed by Andrew. [10/12/2015 10:00:04 PM]
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21. Mangroves are A) shrubs B) trees C) are salt tolerant D) all the above E) none of the above
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ALL OF THE ABOVE. Mangroves are shrubs, trees, and are salt tolerant.
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38. Suberin is a fatty or lipid material that waterproofs plant cells. This material is found in all except one of the following. Find the exception. A) Felis spp. B) diatoms C) Codium spp. D) Fucus spp. E) Thalassia spp.
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46. Coral reefs are made of A) silicon dioxide B) calcium carbonate C) sodium carbonate D) cupric sulfide E) Hydrogen peroxide
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Updated 10/3/2015 1:07:06 AM
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Coral reefs are made of calcium carbonate.
Added 10/2/2015 5:28:53 PM
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