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Evolution

Question

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Describe one example of adaptive radiation.

Solution

Darwin finches found in Galapagos Island is an example of adaptive radiation. A large variety of finches is present in Galapagos Island arose from a single species, which reached this land accidentally. Many new species evolved, diverged, and adapted to occupy new habitats. These finches developed different eating habits and different types of beaks to suit their feeding habits. For example the insectivorous, blood sucking, and other species of finches with varied dietary habits have evolved from a single seed eating finch ancestor.

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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