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Question

What according to Lamarck was the driving force for evolution? Explain with an example.

Prabhat Rajore · Accepted Answer

According to Lamarck evolution of life forms was driven byt the use and disuse of organs. For example the Giraffes had short necks in early times but in an attempt to forage leaves on tall trees, they had to adapt by elongating their necks. They passed on the aquired character to the future generations and slowly over the years they had long necks.  - Wired Faculty

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Evolution

What according to Lamarck was the driving force for evolution? Explain with an example.

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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