Question:
Driving force of evolution is:
Driving force of evolution is:
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Disruptive, directional and stabilizing selections are all types of natural selection.
Updated On: Jun 12, 2026
- Disruptive selection
- Stabilising selection
- Directional selection
- Natural selection
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The Correct Option is D
Solution and Explanation
Concept:
Evolution is the gradual change in populations over generations. Charles Darwin proposed that natural selection is the primary mechanism responsible for evolutionary change.
Natural selection acts upon variations present within a population and favors individuals possessing advantageous traits.
Step 1: Understand the meaning of natural selection. Natural selection is the process by which organisms better adapted to their environment survive and reproduce more successfully than others. Over many generations, beneficial traits become increasingly common within the population. This process ultimately leads to evolution.
Step 2: Analyze the other options. Disruptive selection, stabilizing selection, and directional selection are all specific patterns or modes of natural selection. They describe different ways in which natural selection may act on phenotypic variation. However, these are not separate driving forces. They are merely different manifestations of natural selection.
Step 3: Identify the fundamental mechanism. Among all the options, natural selection is the broad and fundamental mechanism responsible for adaptive evolution. Darwin referred to it as the major force shaping biological diversity.
Step 4: Conclude the answer. Therefore, the driving force of evolution is \[ \boxed{\text{Natural Selection}} \]
Step 1: Understand the meaning of natural selection. Natural selection is the process by which organisms better adapted to their environment survive and reproduce more successfully than others. Over many generations, beneficial traits become increasingly common within the population. This process ultimately leads to evolution.
Step 2: Analyze the other options. Disruptive selection, stabilizing selection, and directional selection are all specific patterns or modes of natural selection. They describe different ways in which natural selection may act on phenotypic variation. However, these are not separate driving forces. They are merely different manifestations of natural selection.
Step 3: Identify the fundamental mechanism. Among all the options, natural selection is the broad and fundamental mechanism responsible for adaptive evolution. Darwin referred to it as the major force shaping biological diversity.
Step 4: Conclude the answer. Therefore, the driving force of evolution is \[ \boxed{\text{Natural Selection}} \]
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