Comment on the statement that ''evolution and natural selection are end result or consequence of some other processes but themselves are not processes''.
Comment on the statement that ''evolution and natural selection are end result or consequence of some other processes but themselves are not processes''.
Due to the process like tendency of living organisms of rapid reproduction, but limited food resources, space and ecological niches.
There occurs interspecific and intraspecific struggle for the basic needs of life.
Individuals develop variations either due to mutations or recombinations of genes.
Population becomes heterogenous.
Natural selection operates on this heterogeneity.
This favours speciation by differential and faster reproduction of individuals with variations.
It indicates that Evolution and Natural selection are consequences of some other processes.
Similar Questions
The scientists believe that evolution is gradual. But extinction, part of evolutionary story, are 'sudden' and 'abrupt' and also group-specific. Comment whether a natural disaster can be the cause for extinction of species.
The scientists believe that evolution is gradual. But extinction, part of evolutionary story, are 'sudden' and 'abrupt' and also group-specific. Comment whether a natural disaster can be the cause for extinction of species.
$I.$ Use and disuse of organs
$II.$ Inheritance of acquired characters
$III.$ Branching descent
$IV.$ Natural selection
$V.$ Mutation
$VI.$ Reproductive isolation
The two key concepts of Darwinism from the given options are
$I.$ Use and disuse of organs
$II.$ Inheritance of acquired characters
$III.$ Branching descent
$IV.$ Natural selection
$V.$ Mutation
$VI.$ Reproductive isolation
The two key concepts of Darwinism from the given options are
Explain theory of inheritance of acquired characters with proper example.
Explain theory of inheritance of acquired characters with proper example.
Evolution means
Evolution means