Question

explain how we can study various patterns existing in a population from the pyramids
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Answer 1

A population pyramid or "age-sex pyramid" is a graphical illustration of the distribution of a population (typically that of a country or region of the world) by age groups and sex; it typically forms the shape of a pyramid when the population is growing.[1] Males are usually shown on the left and females on the right, and they may be measured by count or as a percentage of the total population. This tool can be used to visualize the age of a particular population.[2] It is also used in ecology to determine the overall age distribution of a population; an indication of the reproductive capabilities and likelihood of the continuation of a species.

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$\huge \pink{✿} \red {C} \green {u} \blue {t} \orange {e} \pink {/} \red {Q} \blue {u} \pink {e} \red {e} \green {n} \pink {♡}$

Answer 2

Answer:

A population pyramid or "age-sex pyramid" is a graphical illustration of the distribution of a population (typically that of a country or region of the world) by age groups and sex; it typically forms the shape of a pyramid when the population is growing.[1] Males are usually shown on the left and females on the right, and they may be measured by count or as a percentage of the total population. This tool can be used to visualize the age of a particular population.[2] It is also used in ecology to determine the overall age distribution of a population; an indication of the reproductive capabilities and likelihood of the continuation of a species...

Explanation:

Desertification refers to the persistent degradation of dryland ecosystems by climatic variations and human activities. ... Desertification occurs as a result of a long-term failure to balance human demand for ecosystem services and the amount the ecosystem can supply.