Age-sex distribution, Biology

Assignment Help:

Age-Sex Distribution

While studying exponential growth we need to know more than just the birth and death rates because these rates vary with age and sex. Age structure in a population is important because individuals vary in their age and many functional aspects are linked with age.

For example, women can bear children i only between ages of 15-44 years, also infants (children under 1 year of age) and older people have higher rates of mortality as compared to individuals of intermediate ages. Accordingly a population can be subdivided into three sub groups.

  1. Pre reproductive (0- 14 years)
  2. Reproductive (15 - 44 years)
  3. Post reproductive (45 years and above)

For a more detailed understanding of the age-structure individuals of a population are divided into age groups with 5 or 10 year interval. Further, males and females can be shown separately in a diagram. Alternately age-sex distributions are also drawn by plotting the percentage of the population of each sex in each group.


Related Discussions:- Age-sex distribution

What is intermediate acting insulin, Q. What is Intermediate acting insulin...

Q. What is Intermediate acting insulin? Intermediate acting: This type works more slowly than short acting. It works hardest 8-12 hours after injection and still keeps on worki

Name stems of plants which are leaf like, Which of the below are stems of p...

Which of the below are stems of plants that are leaf like in form, are green and perform functions of leaves. Additionally, they may bear fruit, flowers and temporary leaves?

What do you know about tricuspid stenosis, Q. What do you know about Tricus...

Q. What do you know about Tricuspid stenosis? It is rare disease, with rheumatic etiology seen in 90 per cent of cases. In patients with rheumatic mitral stenosis only 3-5 per

In which part of the digestive tube is water is absorbed, Q. In which part ...

Q. In which part of the digestive tube is water is chiefly absorbed? What about the mineral ions and vitamins? Most part of water, mineral and vitamins ions are absorbed by the

Joints, JOINTS - The structural arrangement of tissues which connect 2 ...

JOINTS - The structural arrangement of tissues which connect 2 or more bones together at their place of meeting is called a joint. Study of joint is arthrology. Joint make the

Cardiac muscles, Normal 0 false false false EN-IN X-N...

Normal 0 false false false EN-IN X-NONE X-NONE MicrosoftInternetExplorer4

Explain pregnancy and diabetes mellitus, Explain Pregnancy and Diabetes Mel...

Explain Pregnancy and Diabetes Mellitus? During pregnancy, a woman who has pre-existing chronic disease requires special care, especially in case of mother's suffering from dia

Show examples of cnidarians, Q. What are few examples of cnidarians? In whi...

Q. What are few examples of cnidarians? In which environments can these animals be found? Hydra, Jellyfish, sea anemones and corals are good examples. All of them are aquatic,

Neuropsychological assessment of adults, Neuropsychological assessment of a...

Neuropsychological assessment of adults A general introduction of the field of neuropsychological assessment and deals specifically with the extensive standard test batteries a

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