What are age pyramids, Biology

Assignment Help:

What are age pyramids?

Age pyramids are graphical representations in form of superposed rectangles every representing the number of individuals contained in age ranges into which a population is divided. Normally the lower age ranges are shown more to the bottom of the pyramid, always below higher ranges, and the variable dimension that shows the number of individuals is the width (there are age pyramids though in which the variable dimension is the height).

 


Related Discussions:- What are age pyramids

Explain poor growth - clinical signs of kwashiorkor, Explain Poor growth - ...

Explain Poor growth - clinical signs of kwashiorkor? Growth retardation is the earliest manifestation of kwashiorkor, the child will be lighter and shorter than its normal peer

Pre-operative teaching in cardiac surgical operation, Pre-operative Teachin...

Pre-operative Teaching Brief explanation-anatomy, physiology of the cardio-respiratory system.  The disease and the operation which is going to be done.  Operati

Explain sialography, Question 1 Explain Sialography? How will you perfo...

Question 1 Explain Sialography? How will you perform the same? Question 2 How will you set up your radiology department to take up the IVU studies? Question 3 D

Abrasive action of water and wind, Abrasive action of water, ice and wind ...

Abrasive action of water, ice and wind Water is an important mechanical weathering agent both in liquid as well as in the frozen state.  Rain water carrying sediments, ice glac

What is single s2, What is Single S 2 In cyanotic TOF, S, consists enti...

What is Single S 2 In cyanotic TOF, S, consists entirely of A, as P, is attenuated by a deformed pulmonary valve when there is valvar steuosis and aorta is placed anteriorly re

Neural impulse is transmitted from one cell to another, What is the structu...

What is the structure through which the neural impulse is transmitted from one cell to another? What are its parts? The structure by which the neural impulse passes from one c

Why does dna twist, Why does DNA twist? If it did not twist, would you...

Why does DNA twist? If it did not twist, would you expect it to fit into the miniscule cell? As we all know, if we join all of the DNA molecules from a person's body end to en

Gorgonids, Gorgonids yield chemicals like prostaglandins, medically useful ...

Gorgonids yield chemicals like prostaglandins, medically useful for birth control, prevention of peptic ulcers, treatment of asthma, regulation of blood pressure, etc. Sponges are

What is the function of the antidiuretic hormone, Q. What is the function o...

Q. What is the function of the antidiuretic hormone? Where it made and which is the stimuli that increase or reduce its secretion? The antidiuretic hormone is secreted by the h

Differences among nematodes and annelids, What are the morphological simila...

What are the morphological similarities and differences among nematodes and annelids? Nematodes, like annelids, have a cylindrical elongated body. Annelids differentiate from

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