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

Correction of reversible causes, In the long term reversible causes of hear...

In the long term reversible causes of heart failure like valvular lesions, myocardial ischemia, uncontrolled hypertension, arrhythmias, alcohol, negative inotropic agents, intracar

Bacterial diseases-sheep and goats, Sheep and goats The disease is rea...

Sheep and goats The disease is readily transmissible to human being from goats, and is known as Malta fever, Mediterranean fever or undulant fever. The chief causal agent is B

Write the meaning of polyuria, Q. Write the meaning of Polyuria? Increa...

Q. Write the meaning of Polyuria? Increased Urine (Polyuria): When sugar is increased in the blood it is filtered from the body along with the water. This is the reason for fre

Biology, how can i get an demo assignment to solve?

how can i get an demo assignment to solve?

Write a monovalent and divalent example, What is the positive atom referred...

What is the positive atom referred to in ionic bonds and write a monovalent and divalent example.

Individuals with tyrosinenmia, Individuals with tyrosinenmia have food patt...

Individuals with tyrosinenmia have food patterns very similar to the one for PKU discussed above. PKU is more common than tyrosinemia. Foods that are high in tyrosine and phenylala

What is the kind of reproduction that occurs in roundworms, Q. What is the ...

Q. What is the kind of reproduction that occurs in roundworms? What usual feature do nematode sperm cells have? Nematodes reproduce sexually. The nematode sperm cell does not h

What are autotrophic beings, What are autotrophic beings? What are heterotr...

What are autotrophic beings? What are heterotrophic beings? Autotrophic beings are those that can make their own food, i.e., that make organic material from inorganic compounds

How does the inflammation mechanism work, How does the inflammation mechani...

How does the inflammation mechanism work? When some tissue injury happens histamine and other vasoactive substances (known as mediators of inflammation) are released, they caus

Define the physical activity level, Define the Physical activity level? ...

Define the Physical activity level? Physical activity level (PAL) is defined as the total energy required over 24 hours divided by the energy needed for basal metabolism over 2

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