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

Viral diseases, How do measles and HIV virus affects the bodies organisms

How do measles and HIV virus affects the bodies organisms

What do you understand by pharynx, What do you understand by Pharynx? T...

What do you understand by Pharynx? The region of digestive tract between the mouth and esophagus. In most animals it's muscular and forces food into the digestive tract which l

Define capsule staining (anthony staining method), Define Capsule Staining ...

Define Capsule Staining (Anthony Staining Method)? A rigid, well-organized gelatinous layer called capsule is present outside the cell wall of many bacteria e.g. Streptococus p

State the concepts of soil- pedology and edaphology, State the concespts of...

State the concespts of soil- pedology and edaphology In the last two centuries of scientific study, two concepts or approaches to the study of soil have evolved.  One called  p

Senescence, Senescence Plants begin their development after seed germi...

Senescence Plants begin their development after seed germination. They grow, flower and finally senesce and die. The period from the start to death is called the longevity or

VASCULAR PLANTS., WHAT TRAITS ALLOWED VASCULAR PLANTS TO GROW TALL

WHAT TRAITS ALLOWED VASCULAR PLANTS TO GROW TALL

Explain capillaries of the vascular system, Q. What are the capillaries of ...

Q. What are the capillaries of the vascular system? Capillaries are small blood vessels that perform exchange of substances between the tissues and blood the body Capillaries a

Endothermic and exothermic reactions, List out the endothermic and exotherm...

List out the endothermic and exothermic reactions taking place in our body

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