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What Key Research Question Was Addressed by King and Others

Question 82

Multiple Choice

What key research question was addressed by King and others in studying sponges?


A) Were the sponges the last common ancestor of eumetazoans?
B) Did sponges survive the precambrian mass extinction, with genes unique from other animal groups?
C) How similar is the DNA of living marine sponges to that of fossil sponges from the Cambrian?
D) Could the Cambrian explosion of diversity of life have been mirrored by rapid evolution among sponges?
E) Why were the sponges an evolutionary dead end, with little change and diversity since the Cambrian?

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