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Author Question: Arthropods invaded land about 100 million years before vertebrates did so. This (Read 729 times)

hummingbird

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on: Aug 2, 2013
Arthropods invaded land about 100 million years before vertebrates did so. This most clearly implies that
A) arthropods evolved before vertebrates did.
B) extant terrestrial arthropods are better adapted to terrestrial life than are extant terrestrial vertebrates.
C) ancestral arthropods must have been poorly adapted to aquatic life, and thus experienced a selective pressure to invade land.
D) vertebrates evolved from arthropods.
E) arthropods have had more time to coevolve with land plants than have vertebrates.


geoffrey

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


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hummingbird

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


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