Long necks make it easier for giraffes to reach leaves high on trees, while also making them better fighters in "neck wrestling" contests. In both cases, which kind of selection appears to have made giraffes the long-necked creatures they are today?
A. Directional selection
B. Stabilizing selection
C. Disruptive selection
Answer: A. Directional selection
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A) Class I MHC proteins B) Class II MHC proteins C) G proteins D) M proteins
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A. Neutral B. Beneficial C. Deleterious D. Conditional
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A. protonephridial, lower than B. protonephridial, higher than C. metanephridial, lower than D. metanephridial, higher than E. protonephridial, similar to
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What will be an ideal response?