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

What are the different organ of the gastrointestinal system, The different ...

The different organs of the gastrointestinal system  Mouth or buccal cavity - Teeth 32 Permanent and - Tongue  Pharynx  Oesophagus  Stomach  Small Intestine

What is the process of protein synthesis, Q. After the fact that it is base...

Q. After the fact that it is based on information from mRNA what is the process of protein synthesis called? Protein synthesis is called translation of genetic information into

What is the acrosome of the sperm cell, What is the acrosome of the sperm c...

What is the acrosome of the sperm cell? How is it formed? The acrosome is a structure that has a great number of digestive enzymes, it is located in the anterior end of the spe

Describe transport proteins in plasma, Explain Transport proteins in plasma...

Explain Transport proteins in plasma Transport proteins, embedded in lipid membranes, facilitate the import of nutrients into cells or the release of toxic products into the

How cultural practices are effective at limiting disease, Give two cultural...

Give two cultural practices (not chemical) you could use to control black spot of rose. Based on your current knowledge of the disease triangle, why do you think these cultural pra

Define the structure of hemicellulose, Structure of Hemicellulose When ...

Structure of Hemicellulose When compared with cellulose, it has lower degree of polymerization, more readily soluble in acid and alkali and non-fibrous. On hydrolysis, it predo

Which is better-scrubbing the instruments or ultrasonic bath, Q. Which is b...

Q. Which is better-scrubbing the instruments or ultrasonic bath to clean the instruments? Ultrasonic bath to clean the instruments is better than hand scrubbing the instruments

Closed mitral valvotomy-mitral valve disease, Closed Mitral Valvoto...

Closed Mitral Valvotomy :  This has been 1-eplaced by balloon mitral valvotomy (BMV) in most centres. It is done in cases of either pure mitral stenosis or with .triv

What is the approximate ph of the salivary secretion, What is the approxima...

What is the approximate pH of the salivary secretion? Is it an acid or basic fluid? What are the main functions of saliva? The saliva pH is approximately 6.8. It is therefore a

Reroduction, describe and compare reproduction in all the kingdoms except k...

describe and compare reproduction in all the kingdoms except kingdom animalia

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