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Darwin's finches are a good example of 

  • industrial melanism

  • connecting link

  • adaptive radiation

  • adaptive radiation


C.

adaptive radiation

Darwin's finches are a good example of adaptive radiation. It is an evolutionary process starting from a point in the geographical area, giving rise to new species depending upon habitat. Main Darwin finch was in South America, some flew to Galapagos islands and some variations got selected and gave rise to new species.

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A population will not exist in Handy - Weinberg equilibrium if

  • individuals mate selectively

  • there are no mutations

  • there is no migration

  • there is no migration


What was the most significant trend in the evolution of modern man (Homo sapiens) from his ancestors? 

  • shortening of jaws

  • Binocular vision

  • Increasing brain capacity 

  • Increasing brain capacity 


Which one of the following are analogous structures?

  • Wings of bat and wings of pigeon

  • Gills of prawn and lungs of man

  • Thorns of Bougainvillea and tendrils of Cucurbita

  • Thorns of Bougainvillea and tendrils of Cucurbita


Which of the following had the smallest brain capacity?

  • Homo erectus

  • Homo sapiens

  • Homo neanderthalensis

  • Homo neanderthalensis


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