Reason of population growth, Biology

Some of the reason for increase in population is:

1.         Decline in death for an increase in life expectancy or longevity.

2.         Better medical facilities and health care devices have reduced death rate and raised life expectancy.

3.        Agricultural output has increased many folds which have influence on positive growth rate.

4.        Protection against natural calamities such as floods, earthquakes, epidemics etc have increased many folds.

 

 

Posted Date: 7/11/2012 7:54:34 AM | Location : United States







Related Discussions:- Reason of population growth, Assignment Help, Ask Question on Reason of population growth, Get Answer, Expert's Help, Reason of population growth Discussions

Write discussion on Reason of population growth
Your posts are moderated
Related Questions
Sympatric OR allopatric speciation Sympatry The development of new species within a population. Two Hebe sp living in the same location but with different chromosomal numb

You are given a hamster that has a very short tail (dominant trait) a) Describe a cross that would allow you to determine the short tailed hamster's genotype b) What are the possib

Explain what is Mortality in coronaw artery disease ? Marked prematurity and extensive atherosclerosis leads to markedly higher mortality in young Asian Indians compared to oth

Q. How is cancer usually treated? If the cancer is in its initial stage cure is often done by surgical removal of the neoplastic tissue. The Cancers already disseminated are of

Explain the theory of Law of Minimum    This is one of the earliest hypotheses put forward by von Liebig on the relationship between the amount of plant  nutrient in the soil a

Q. Why can the amnion also be considered an adaptation to terrestrial life? The amnion is as well an adaptation to dry land since one of its functions is to prevent desiccation

Plasma membrane and cell wall is not the similar thing. Plasma membrane, also known as cell membrane, is the outer membrane common to all living cells and it is made of a phospholi

Phylum Cyanobacteria Cyanobacteria  are prokaryotes,  but  they are not  like bacteria  in  the usual  sense of  the word.  The cyanobacteria  lack chloroplasts,  and  their  l

The human skeleton has evolved from that of four-legged animals. Unfortunately, the adaptation is far from perfect; thus, our upright posture causes problems like backage and the k

Combustion of fossil fuels and wood in industries, automobiles, aircrafts, railways, thermal plant kitchens etc., agricultural operations and industrial processing are major source