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Evolution

Question
CBSEENBI12002840
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Among the following sets of examples for divergent evolution, select the incorrect option :

  • Forelimbs of man, bat and cheetah

  • Heart of bat, man and cheetah

  • Eye of octopus, bat and man

  • Brain of bat, man and cheetah

Solution

C.

Eye of octopus, bat and man

Divergent evolution demonstrates how species can have common (homologous) anatomical structures.Divergent evolution occurs in the same structure, example - forelimbs, heart, brain of vertebrates which have developed along different directions due to adaptation to different needs whereas eye of octopus, bat and man are examples of analogous organs showing convergent evolution.

Some More Questions From Evolution Chapter

When did life appear on earth ?

Give another name for origin of life from non living matter.

Arrange the following substances in a proper sequence with regard to the formation of chemical constituents at the time of origin of life :

Sugar, methane, nucleic acid and amino acid.

What is the phenomenon called when the original drifted population becomes founders?

What are the two key concepts of Darwinian Theory of Evolution

What were the units of life according to the early Greek thinkers ?

Mention the type of nutrition in the cells originated first during the origin of life.

Which group of organisms were responsible for appearance of free oxygen in the atmosphere of the primitive earth ?

What is meant by the term fossil ?

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