Demographic cycle, Biology

Assignment Help:

DEMOGRAPHIC CYCLE -

1.       First stage -

Bhigh   - Dhigh   =  0

2.       Second stage -

Bhigh   - Dlow   =  Gmore

eg. Many countries of South Asia, Africa, Kanya & Bangladesh.

3.       Third stage -

Bhigh   -  Dlow   =  G

eg. India, China, Singapore

4.       Fourth stage -

Blow   - Dlow   =  0

eg. Austria, U.K., Denmark, Swedeen.


Related Discussions:- Demographic cycle

Gene clonning, Inportant step for gene clonning

Inportant step for gene clonning

Acute mitral regurgitation-indications for surgery, Acute Mitral Regurgitat...

Acute Mitral Regurgitation :  Acute mitral regurgitation is an indication for early surgery. If patient is haemodynamically unstable, pre-operative intra aortic balloon pump

Why is there a sense of pressure change inside the ear, Why is there a sens...

Why is there a sense of pressure change inside the ear when someone goes down a mountain? The pressure inside the middle ear is keeps equal to the external ear (so to the exter

Use pcr to sequence the particular gene, You wish to use PCR to sequence a ...

You wish to use PCR to sequence a particular gene that you have isolated. The sequencing protocol suggests that you use 3.2pmole (pico moles) of your primer in a 2 micro liter volu

What are the cell types that form the phloem, What are the cell types that ...

What are the cell types that form the phloem? What are the main features of those cells? The major cells that form the phloem are the sieve elements and the companion cells. Th

Show the apical view of transducer position, Q. Show the Apical View of Tra...

Q. Show the Apical View of Transducer Position? For the patient with dextrocardia transducer is kept on right chest with marker towards left side. Morphological parameters to

Describe meristems term in diversity of life, Describe Meristems term in di...

Describe Meristems term in diversity of life? Plant development goes through a stage known as primary growth, which produces what is referred to as the "primary plant body." A

Coniferous forest - ecosystem, Coniferous forest - Ecosystem Cold regi...

Coniferous forest - Ecosystem Cold regions with high rainfall and strongly seasonal climates with long winters and fairly short summers are characterised by boreal coniferous

Advantage & disadvantage of using algae as source of protein, Define Advant...

Define Advantage & disadvantage of using Algae as source of protein? Advantage Produces proteins which have almost all the Essential Amino acids. Rich in tyrosine

Consumers - biotic components, Consumers - Biotic Components These ar...

Consumers - Biotic Components These are also called as phagotrophs or heterotrophs. The organisms grouped under this category cannot manufacture their own food but obtain the

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd