Question and answer
The group listed here that contains silica in its surface covering is the: A. ciliates B. red algae C. diatoms D. water molds
The group listed here that contains silica in its surface covering is the diatoms.
uxiali|Points 1474|
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Asked 4/9/2013 9:17:08 AM
Updated 11/26/2014 11:18:24 AM
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This answer has been confirmed as correct and helpful.
Edited by jeifunk [11/26/2014 11:18:22 AM], Confirmed by jeifunk [11/26/2014 11:18:24 AM]
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Animals are motile because they have: A. energy B. metabolism C. nerve and muscle fibers D. legs or wings
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Updated 2/11/2017 11:52:54 AM
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Animals are motile because they have nerve and muscle fibers.
Added 2/11/2017 11:52:54 AM
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Confirmed by Andrew. [2/11/2017 4:47:51 PM]
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The closing and opening of stomatal guard cells involves: A. diffusion of sodium ions B. osmosis of water that swells and shrinks the cells C. bulk flow of sugar D. none of these
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Updated 177 days ago|1/22/2018 2:01:57 AM
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The closing and opening of stomatal guard cells involves osmosis of water that swells and shrinks the cells.

Added 177 days ago|1/22/2018 2:01:57 AM
This answer has been confirmed as correct and helpful.
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The region of the primary plant stem in which mitosis occurs and which leads to stem elongation is the
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Updated 8/2/2015 5:15:19 AM
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The region of the primary plant stem in which mitosis occurs and which leads to stem elongation is the meristem.
Added 8/2/2015 5:15:19 AM
This answer has been confirmed as correct and helpful.
Confirmed by jeifunk [8/2/2015 5:47:01 AM]
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