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This Evolutionary Tree Shows the Influence of Speciation and Extinction

Question 23

Multiple Choice

This evolutionary tree shows the influence of speciation and extinction on the diversity of life.After 2 million years,lineage A had a(n) ________ rate of speciation and ________ extinction rates compared to lineage B. A) higher;lower B) lower;higher C) increased;decreased D) improved;enhanced This evolutionary tree shows the influence of speciation and extinction on the diversity of life.After 2 million years,lineage A had a(n) ________ rate of speciation and ________ extinction rates compared to lineage B.


A) higher;lower
B) lower;higher
C) increased;decreased
D) improved;enhanced

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