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Evolution

Question

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The concept of chemical evolution is based on

cyrstallization of chemicals

interaction of water, air and clay under intense heat

effect of solar radiation on chemicals

possible origin of life by combination of chemicals under suitable environmental conditions

Solution

D.

possible origin of life by combination of chemicals under suitable environmental conditions

The concept of chemical evolution is based on possible origin of life by combination of chemicals under suitable environmental conditions.

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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