Question and answer
Gas exchange in an echinoderm takes place through A. book lungs. B. skin gills. C. lungs. D. none of the above.
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Asked 11/13/2014 3:31:40 PM
Updated 3/12/2015 2:08:53 AM
1 Answer/Comment
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Flagged by alfred123 [3/12/2015 2:08:50 AM]
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User: Gas exchange in an echinoderm takes place through A. book lungs. B. skin gills. C. lungs. D. none of the above.

Weegy: D. none of the above
kramfox|Points 0|

Question
Asked 11/13/2014 3:31:40 PM
Updated 3/12/2015 2:08:53 AM
1 Answer/Comment
This conversation has been flagged as incorrect.
Flagged by alfred123 [3/12/2015 2:08:50 AM]
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Gas exchange in an echinoderm takes place through: SKIN GILLS.
Added 3/12/2015 2:08:53 AM
This answer has been confirmed as correct and helpful.
Confirmed by Andrew. [3/12/2015 2:14:24 AM]
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Questions asked by the same visitor
How many embryonic and adult tissue layers are found in jellyfish, hydras, and sea anemones? A. 1 B. 2 C. 3 D. 4
Weegy: There are 3 embryonic and adult tissue layers are found in jellyfish, hydras, and sea anemones. (More)
Question
Updated 9/19/2016 2:39:57 AM
0 Answers/Comments
A good model of the cell membrane would be A. a chain link fence. B. a film of food wrap. C. a wall of stones and mortar. D. a river with objects floating in it.
Question
Not Answered
Updated 11/24/2016 9:12:08 PM
1 Answer/Comment
A good model of the cell membrane would be: a chain link fence.
Added 11/24/2016 9:12:08 PM
This answer has been confirmed as correct and helpful.
Confirmed by yumdrea [11/25/2016 8:03:00 AM]
Gametes, or sex cells, are considered A. haploid. B. diploid. C. photosynthetic. D. prokaryotic.
Weegy: D. prokaryotic (More)
Question
Updated 6/9/2015 11:07:29 AM
1 Answer/Comment
Gametes, or sex cells, are considered haploid.
Added 6/9/2015 11:07:29 AM
This answer has been confirmed as correct and helpful.
A good model of the cell membrane would be A. a chain link fence. B. a film of food wrap. C. a wall of stones and mortar. D. a river with objects floating in it.
Question
Not Answered
Updated 11/13/2014 5:21:11 PM
1 Answer/Comment
A good model of the cell membrane would be: a chain link fence.
Added 11/13/2014 5:21:11 PM
This answer has been confirmed as correct and helpful.
Confirmed by jeifunk [11/13/2014 10:43:39 PM]
A molecule that moves across a cell membrane without using the cell's energy tends to move A. away from the area of equilibrium. B. away from the area where it is less concentrated. C. away from the area where it is more concentrated. D. toward the area where it is more concentrated.
Weegy: A please rate me (More)
Question
Updated 11/13/2014 9:02:41 PM
1 Answer/Comment
A molecule that moves across a cell membrane without using the cell's energy tends to move away from the area where it is more concentrated.
Added 11/13/2014 9:02:41 PM
This answer has been confirmed as correct and helpful.
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