The growing size of the human population is a cause of concern for all people. The rate of birth in a
given population will determine its size. Reproduction is the process by which organisms increase
their population. The process of sexual maturation for reproduction is gradual and takes place while
general body is still going on. Some degree of sexual maturation does not necessarily mean that
mind or body is ready for sexual acts or for having and bringing up children. Various contraceptive
devices are being used by human beings to control the size of population.
(a) List two common signs of sexual maturation in boys and girls.
(b) What is the result of reckless female foeticide?
c) which contraceptive method Change balance of the body.
d) write two factors that determine the size of population.
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Answers
a part
In girls and boys, some of these can be signs of possible early puberty, but sometimes are normal:
pubic, underarm, or facial hair development.
voice deepening.
acne.
"mature" body odor.
b A low supply of women results in men and their families trafficking women from other areas and leads to increased sexual violence and abuse against women and children, increased child marriages, and increased maternal deaths due to forced abortions and early marriages.
c Oral contraceptives are commonly known as 'the pill', 'combined pill', 'birth control' or 'mini-pill'. The pill works mainly by changing the body's hormone balance so that the woman does not ovulate.
d The two factors that increase the size of a population are natality, which is the number of individuals that are added to the population over a period of time due to reproduction, and immigration, which is the migration of an individual into a place.
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