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When two species of different genealogy come to resemble each other as a result of adaptation, the phenomenon is termed

  • divergent evolution

  • microevolution

  • co-evolution

  • co-evolution


D.

co-evolution

In convergent evolution lineages show similar morphology under the influence of similar environmental factors.

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Which one of the following statement is correct?

  • Stem cells are specialize cells

  • There is no evidence of the existence of gills during embryogensis of mammals

  • All plant and animal cells are totipotent

  • All plant and animal cells are totipotent


What is common to whale, seal and shark?

  • Seasonal migration

  • Thick subcutaneous fat

  • Convergent evolution

  • Convergent evolution


The finches of Galapagos islands provide an evidence in favour of

  • special creation

  • evolution due to mutation

  • retrogressive evolution

  • retrogressive evolution


Adaptive radiation refers to

  • adaptations due to geographical isolation

  • evolution of different species from a common ancestor

  • migration of members of a species to different geographical areas

  • migration of members of a species to different geographical areas


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