What is urbanization​

the process of making an area more urban.

Urbanization refers to the population shift from rural to urban areas, the decrease in the proportion of people living in rural areas, and the ways in which societies adapt to this change

Explanation:

Explanation:

● Urbanization is the natural

phenomenon of large population immigrates to one town gradually and continually over a period of time.  Due to rapid development in the country the industrial and political centers are getting urbanized.   The policies of liberalization have too encouraged it.   Urbanization is good for the economy as it increases.  However, rapid growth causes congestion and pollution too. 

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1) gene flow

- it is described as the transfer of genes from one population to another population so that frequency of gene is increased.

-a zebra migrates to join a different herd of zebras.

2) natural selection

- a mechanism of evolutionary change in which individuals with advantageous traits survive and reproduce whereas the others ( those that can not adapt) eliminate from the population.

-competition for sunlight leads to taller trees.

3) mutation

- permanent change in the nucleotide sequence of dna ( genetic material) that could have harmful or useful consequences.

-the dna of a snake changes to make its venom stronger.

4) genetic drift - it is a random phenomenon ( that occurs by chance such as fire) that results in change in the gene frequency in a small population.    

-a grassfire randomly sweeps through a population of buffalo and kills most of the animals.

explanation:

protocol for imps extraction focusing on membrane protein extraction, solubilisation, and purification.