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MDCAT Biology QUESTION #4315
Question 1
The main idea in Darwin's Theory of 'Origin of species by natural selection' is:
  • Inheritance of acquired traits
  • Use and disuse of organs
  • Species never change
  • Evolution occurs through gradual accumulation of adaptations through successive generations✔️
Correct Answer Explanation
Darwin's theory states that individuals with favorable heritable variations survive and reproduce better (natural selection), leading to gradual evolution of species over successive generations.