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

Blastulation, BLASTUL A TIO N - Type of blastula is blastocyst or...

BLASTUL A TIO N - Type of blastula is blastocyst or trophoblastula. Outer layer of cell becomes flat and form trophoblast or trophoectoderm which receives nutritive ma

Show water permeability of the luminal membranes, Healthy Person H takes a ...

Healthy Person H takes a new drug named ANTICAMPCOLLDUCT that blocks the production of cyclic AMP (cAMP) in collecting duct epithelial cells in response to vasopressin binding to V

Assessment of acute rheumatic fever, Assessment   While assessing the p...

Assessment   While assessing the patient with rheumatic fever, a detailed history including, problematic environmental factors or recent exposure to streptococcal infection is

What are phenotypical & genotypical proportions in f1 & f2, According to th...

According to the Mendel's second law, in the crossing between homozygous individuals concerning two pairs of nonlinked alleles, AABB x aaBB, what are the phenotypical and genotypic

Drug nomenclature, DRU G NOMENCLATURE - Generally drug has three types...

DRU G NOMENCLATURE - Generally drug has three types of names - Chemical, Proprietary & Non-proprietary. Chemical Name - Indicates chemical nature. Proprietary Name -

Phloem, why phloem made of living cells

why phloem made of living cells

Explain reproduction rates variation in bacterial gene, Antibiotic resistan...

Antibiotic resistance is the result of natural selection mutations, the only source of new genetic information available for bacteria. Rapid reproduction rates variation in bacteri

Protozoa, Locomotion,nutrition and reproduction in ptotozoa

Locomotion,nutrition and reproduction in ptotozoa

Yersinia enterocolitica, Yersinia enterocolitica The genus Yersinia con...

Yersinia enterocolitica The genus Yersinia contains of 3 human pathogenic species, Y. enterocolitica, Y. pseudotuberculosis and Y. pestis, among which, Y. enterocolitica finds

What do you mean by neurotransmitters, Q. What do you mean by neurotransmit...

Q. What do you mean by neurotransmitters? - Nicotinic receptors (nicotine mimics the effects of Ach here). Found at NM-junction, ANS ganglions in general. Binding of Ach to

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