Page 71 - Geography for Secondary Schools Student’s Book Form One
P. 71

Geography for Secondary Schools
                                                                          Student’s Book Form One
            Importance of vegetation to human life     5.    Source of medicine: Many plant species

            Vegetation plays a crucial role in supporting   have medicinal properties. Traditional
            human life in a variety of ways. Its            medicine heavily relies on plant-
            importance spans environmental, economic,       based medicine. Pharmaceuticals and
            social, and health aspects. Here are some       medical research also use plants to
                                                            develop new drugs for treatment of
            4.  FOR ONLINE READING ONLY
            key points highlighting the significance of     various diseases.
            vegetation to human life:
            1.   Production of oxygen: Through the     6.   Source of income: Agriculture and
                 process of photosynthesis, plants give     forestry which, heavily rely on
                 out oxygen, which is essential for the     vegetation, are major contributors to
                 respiration of living things including     the national and global economy. The
                 human beings. A large amount of            cultivation of crops, timber production,
                 earth’s oxygen is generated by plants,     and the harvesting of various plant-
                 making them vital for our survival.        based products provide employment
            2.     Helps in carbon dioxide absorption:      and income for millions of people.
                 during the process of photosynthesis,  7.     Habitat and biodiversity: Vegetation
                 plants use carbon dioxide to               provides a  habitat for  numerous
                 manufacture their own food. Therefore,     animal species, hence, supporting
                 vegetation helps to regulate the earth’s   biodiversity. Conserving plant life is
                 climate by absorbing carbon dioxide,       essential in maintaining a balanced
                 which is a greenhouse gas. This gas        and healthy ecosystem that sustains all
                 absorbs outgoing radiation and re-         living organisms, including humans.
                 emits it, thus causing global warming.   8.   Climate  regulation: Forests, in
                 Basically, plants act as carbon sinks,     particular, play a significant role in
                 reducing the impacts of climate            regulating local and global climates.
                 change.                                    They influence rainfall patterns,
            3.    Source of food: Plants are the primary    regulate temperature and act as a wind
                 source of food for humans and other        break, as well as a carbon sink.
                 animals. A diverse range of fruits,
                 vegetables, grains, and other plant-  9.   Aesthetic and recreational value:
                 based products provide essential           Green spaces and lush landscapes
                 nutrients for human health and growth.     contribute to the aesthetic appeal
                                                            in urban and rural areas, providing
                  Help to control soil erosion: Vegetation   recreational spaces for leisure
                 holds the soil together and prevents       activities, which can positively impact
                 erosion by water and wind. Roots of        mental health and overall well-being.
                 vegetation hold soil particles together.
                 This helps to reduce soil erosion  10.   Purifying air: Vegetation filters and
                 and conserve soil. Vegetation cover        purifies the air by removing pollutants
                 reduces the speed of surface runoff        and particulate matter, contributing to
                 which can cause soil erosion.              cleaner air for human beings to breath.



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