Question:
According to Darwinism, __________ leads to evolution.
According to Darwinism, __________ leads to evolution.
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Darwin explained evolution as gradual change in populations through natural selection.
Updated On: Nov 13, 2026
descent with modification
inheritance of acquired characters
variations produced in germplasm
sudden and inheritable changes
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The Correct Option is A
Solution and Explanation
Step 1: Understanding the Concept
Darwin proposed that organisms change gradually over generations because of variations and natural selection.
He called this process descent with modification.
Step 2: Key Point
Inheritance of acquired characters is Lamarck's idea.
Sudden inheritable changes (mutations) are the idea of Hugo de Vries, and germplasm variations belong to Weismann's theory.
Step 3: Compare the options
Hence, according to Darwinism evolution results from descent with modification.
Final Answer:
Darwinism says evolution occurs through descent with modification. \[ \boxed{\text{(A) }\text{descent with modification}} \]
Darwin proposed that organisms change gradually over generations because of variations and natural selection.
He called this process descent with modification.
Step 2: Key Point
Inheritance of acquired characters is Lamarck's idea.
Sudden inheritable changes (mutations) are the idea of Hugo de Vries, and germplasm variations belong to Weismann's theory.
Step 3: Compare the options
Hence, according to Darwinism evolution results from descent with modification.
Final Answer:
Darwinism says evolution occurs through descent with modification. \[ \boxed{\text{(A) }\text{descent with modification}} \]
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