Question and answer
Some of the first animals to develop an endoskeleton were _____.
Question
Asked 9/25/2012 11:47:55 AM
Updated 7/23/2016 5:15:13 PM
1 Answer/Comment
This answer has been confirmed as correct and helpful.
Edited by jeifunk [7/23/2016 5:15:11 PM], Confirmed by jeifunk [7/23/2016 5:15:13 PM]
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User: Some of the first animals to develop an endoskeleton were _____.

Weegy: Some of the first animals to develop an endoskeleton were Echinoderms.
islandguy|Points 721|

User: Many insects have a tough outer shell called _____.

Question
Asked 9/25/2012 11:47:55 AM
Updated 7/23/2016 5:15:13 PM
1 Answer/Comment
This answer has been confirmed as correct and helpful.
Edited by jeifunk [7/23/2016 5:15:11 PM], Confirmed by jeifunk [7/23/2016 5:15:13 PM]
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Many insects have a tough outer shell called Exoskeleton.
Added 7/23/2016 4:52:49 PM
This answer has been confirmed as correct and helpful.
Confirmed by jeifunk [7/23/2016 5:15:14 PM]
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