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SSC Zoology QUESTION #10789
Question 1
When animals from different ancestors colonise similar habitats, acquire similar adaptations, and come to superficially resemble one another, this is called:
  • Parallel evolution
  • Tempo evolution
  • Divergent evolution
  • Convergent evolution✔️
Correct Answer Explanation
Convergent evolution occurs when unrelated organisms independently evolve similar traits in response to similar environmental pressures. Classic examples: wings in birds, bats, and insects; streamlined body shape in sharks (fish), ichthyosaurs (reptiles), and dolphins (mammals). This is distinct from parallel evolution (related lineages evolving similarly) and divergent evolution (related organisms evolving differently).