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Author Question: What is the probable sequence in which the following clades of animals originate (Read 850 times)

hummingbird

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on: Aug 2, 2013
What is the probable sequence in which the following clades of animals originated, from earliest to most recent?
1.    tetrapods
2.    vertebrates
3.    deuterostomes
4.    amniotes
5.    bilaterians
A) 5 → 3 → 2 → 4 → 1
B) 5 → 3 → 2 → 1 → 4
C) 5 → 3 → 4 → 2 → 1
D) 3 → 5 → 4 → 2 → 1
E) 3 → 5 → 2 → 1 → 4


geoffrey

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Reply #1 on: Aug 3, 2013
Best answer would be B.


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hummingbird

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Reply #2 on: Aug 7, 2013
Great help lol Thanks


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