Imagine that you wanted to know if speciation rate in plant groups is linked to whether the plants are pollinated by bees or hummingbirds. To do this, you identified 20 genera of angiosperms that contained species pollinated by both types of animals. There were substantially more species in the groups that were pollinated by bees. Which of the following conclusions are most consistent with your data?   A. Hummingbirds promoted speciation less than did bees.   B. Hummingbirds promoted speciation more than did bees.   C. Each genus should first be split into two new genera.   D. The rates of speciation are independent of pollinator type.

Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
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Imagine that you wanted to know if speciation rate in plant groups is linked to whether the plants are pollinated by bees or hummingbirds. To do this, you identified 20 genera of angiosperms that contained species pollinated by both types of animals. There were substantially more species in the groups that were pollinated by bees. Which of the following conclusions are most consistent with your data?

  A.

Hummingbirds promoted speciation less than did bees.

  B.

Hummingbirds promoted speciation more than did bees.

  C.

Each genus should first be split into two new genera.

  D.

The rates of speciation are independent of pollinator type.

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