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Evolution

Question
CBSEENBI12002748
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What is common to whale, seal and shark?

  • Seasonal migration

  • Thick subcutaneous fat

  • Convergent evolution

  • Homeothermy

Solution

C.

Convergent evolution

Distantly related animals (as whale, seal and shark) inhabiting similar habitats often develop similarly morphological features that make them look similar. This is termed adaptive convergence or convergent evolution.

Some More Questions From Evolution Chapter

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 ?

What is the type of evolution in which the same structure developed along different directions due to adaptations to different needs ?

Name the different eras of geologic time scale.

What is single step large mutation?

Consider a thorn in Bougainvillea and a tendril in cucurbita. Are these two organs homologous or analogous ? Give reason.

Give two examples that represent adaptive radiation.

Which theory attempts to explain to us the origin of universe?

Evolution is a discontinuous process. Is it correct ?

Give the three key factors of the modern concept of evolution.

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