Which One of the Following Predictions Follows from the Sexual

question 26

Multiple Choice

Which one of the following predictions follows from the sexual selection hypothesis for why giraffes have long necks?

• A)In contests over females,the best-nourished male should always,or almost always,win.
• B)In contests over females,the male with the longest neck should have an advantage over the other males.
• C)In natural populations,female neck length should decline over time.
• D)Young males that are given extra amounts of high-quality food should grow particularly long,strong necks.

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