Analogous organs show:
Correct answer: B. Convergent evolution
- A. Straight evolution
- B. Convergent evolution
- C. Zig-zag evolution
- D. Divergent evolution
Explanation
"Analogous organs" are structures that perform similar functions but have different evolutionary origins. This similarity in structure and function arise due to convergent evolution, where different organisms independently evolve similar adaptations in response to similar environmental pressures. For example, the wings of birds and insects have similar functions (flying) but have different structures and evolutionary origins.
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Evolution is the heritable change in populations over generations, driven by mutation, recombination, natural selection, genetic drift and reproductive isolation. Questions examine variation, adaptation, survival and reproduction, speciation, fossil and anatomical evidence, and the difference between individual acclimatization and evolutionary change in a population.
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