NEET Zoology Evidences of Evolution MCQ Question
Consider a diagram illustrating various stages in the evolution of giraffes' necks based on natural selection. Which of the following best explains the process depicted in the diagram?
Giraffes acquired long necks by stretching to reach higher leaves, passing this trait to offspring.
Giraffes with naturally longer necks had a reproductive advantage, leading to selection of this trait over generations.
All giraffes had identical neck lengths initially, but environmental factors randomly altered neck length over time.
Giraffes developed long necks due to a mutation that became prevalent due to genetic drift.
Correct Answer
Detailed Explanation
The NCERT context explains that natural selection favors individuals with better reproductive fitness, leading to the selection of advantageous traits like longer necks in giraffes.
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