Imagine That You Wanted to Know If Speciation Is More

question 31

Multiple Choice

Imagine that you wanted to know if speciation is more rapid in plant groups 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. What conclusions can you draw from your data?

• A) Hummingbirds promoted speciation more than did bees.
• B) Hummingbirds promoted speciation less than did bees.
• C) Each genus should be split into two new genera.
• D) The rates of speciation were similar in groups pollinated by hummingbirds and bees.

Grasp the historical development and significance of intelligence testing.

Comprehend the role of test standardization and norms in psychological assessment.

Appreciate the debate of nature vs. nurture in intelligence.

Learn about the relationship between test scores and performance (e.g., school grades, career aptitude).

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