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What observation did Darwin make that suggested there had been geological changes in Earth's history? A. giant tortoises B. fossils of giant sloths C. fossil shells on top of mountains
D. an absence of rabbits in South America
C. fossil shells on top of mountainsAt the Cape Verde islands Darwin saw a geological band of seashell sediments far above the current sea level, yet covered by a layer of lava from volcanoes that had been inactive for all of known history
Expert answered|shifa saleheen|Points 4369|
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Asked 7/14/2011 8:35:57 AM
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An example of simple multicellularity is found in A. plants B. reptiles C. sponges D. amphibians
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Updated 239 days ago|12/30/2015 12:49:54 PM
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An example of simple multicellularity is found in sponges.
Added 239 days ago|12/30/2015 12:49:54 PM
This answer has been confirmed as correct, not copied, and helpful.
Confirmed by jeifunk [12/30/2015 12:52:06 PM]
Birds evolved from A. insects. B. a common ancestor with reptiles. C. amphibians. D. mammals.
Weegy: Birds evolved from dinosaur.......... (More)
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Expert Answered
Updated 8/4/2011 10:45:54 AM
4 Answers/Comments
The answer is given as "dinosaur". Because the meaning of "dinosaur" stands as "Any of numerous extinct terrestrial reptiles of the Mesozoic era". So I do not understand what is wrong here.
Added 7/14/2011 9:44:59 AM
Birds evolved from B. a common ancestor with reptiles.
Added 8/4/2011 9:35:00 AM
@sujaysen: You are getting flagged because your answer is not in the answer choices that the User has given you to choose from. There is a correct answer in that batch, and while dinosaur is correct, it is also vague and not on the list of multiple choice answers.
Added 8/4/2011 9:37:19 AM
Thanks again vchutkan for your nice advice in this regard.
Added 8/4/2011 10:45:55 AM
The first vertebrates on land were A. reptiles. B. fishes. C. amphibians. D. arthropods.
Weegy: A.fishes User: Which group of animals evolved first? A. echinoderms B. chordates C. flatworms D. cnidarians (More)
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Expert Answered
Updated 3/8/2014 8:46:32 AM
2 Answers/Comments
The first vertebrates on land were AMPHIBIANS.

Added 3/8/2014 8:44:26 AM
This answer has been confirmed as correct, not copied, and helpful.
From the list, the group of animals which evolved first is the CNIDARIANS.
Added 3/8/2014 8:46:23 AM
This answer has been confirmed as correct, not copied, and helpful.
An example of simple multicellularity is found in A. plants B. reptiles C. sponges D. amphibians
Weegy: An example of simple multicellularity is found in SPONGES. (More)
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Expert Answered
Updated 3/8/2014 8:47:08 AM
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An example of simple multicellularity is found in A. plants B. reptiles C. sponges D. amphibians
Weegy: An example of simple multicellularity is found in sponges. (More)
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Updated 5/7/2014 6:37:11 PM
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