Which one of the following graphs correctly describes disruptive selection? When studying fitness level associated with body size?

Solution

Disruptive selection occurs when an environmental change may produce selection pressure that favours two extreme characteristics. Selection acts on the phenotype, physical biochemical and behavioural traits oft he an organism. It indirectly adapts of population to its environment by selecting and maintaining favourable genotypes in their given pool

Some More Questions From Evolution Chapter

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 ?

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Evolution

Which one of the following graphs correctly describes disruptive selection? When studying fitness level associated with body size?

Some More Questions From Evolution Chapter

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 ?

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 ?

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