Plants

Topics: Plant, Tree, Organism Pages: 9 (1503 words) Published: November 18, 2014
PLANTS
Plants in Our Daily Life
A plant(also called green plants) is a multi-cellular living organism,member of kingdom Plantae.It is at the base of the food web and are Autotrophs.Plants are considered as backbone of all life on Earth and essential resource for living oragnisms.Plants can be reffered as a factory which processes light into energy and manufactures food for it ownself as well as for other living things.Scientists have foundmore than 270,000 spieces of plants They include a host of familiar organisms including trees, forbs, shrubs, grasses, vines, ferns, and mosses. Plants are unable to move on their own, mostly being rooted to the one place. Plants are essential for any ecosystem. “Eat food. Not too much. Mostly plants.”

Michael Pollan, In Defense of Food: An Eater's Manifesto meant by this quote that plants are a healthy diet. Much of human nutrition depends on plants, either directly or indirectly.Human nutrition depends to a large extent on cereals, especially maize (or corn), wheat and rice. Other staple crops include potato, cassava, and legumes. Human food also includes vegetables, spices, and certain fruits, nuts, herbs, and edible flowers. Beverages produced from plants include coffee, tea, wine, beer and alcohol.Sugar is obtained mainly from sugar cane and sugar beet, and honey comes from flowers.Cooking oils and margarine come from maize, soybean, rapeseed, safflower, sunflower, olive and others. Food additives include gum arabic, guar gum, locust bean gum, starch and pectin.Livestock animals including cows, pigs, sheep, goats and camels are all herbivores; and most feed primarily or entirely on cereal plants, particularly grasses. Wood is used for buildings, furniture, paper, cardboard, musical instruments and sports equipment. Cloth is often made from cotton, flax, rame or synthetic fibers derived from cellulose, such as rayon and acetate. Renewable fuels from plants include firewood, peat and many other biofuels. Coal and petroleum are fossil fuels derived from plants. Medicines derived from plants include aspirin, taxol, morphine, quinine, reserpine, colchicine, digitalis and vincristine. There are hundreds of herbal supplements such as ginkgo, Echinacea, feverfew, and Saint John's wort. Pesticides derived from plants include nicotine, rotenone, strychnine and pyrethrins. Drugs obtained from plants include opium, cocaine and marijuana. Poisons from plants include ricin, hemlock and curare. Plants are the source of many natural products such as fibers, essential oils, natural dyes, pigments, waxes, tannins, latex, gums, resins, alkaloids, amber and cork. Products derived from plants include soaps, paints, shampoos, perfumes, cosmetics, turpentine, rubber, varnish, lubricants, linoleum, plastics, inks, chewing gum and hemp rope. Plants are also a primary source of basic chemicals for the industrial synthesis of a vast array of organic chemicals. These chemicals are used in a vast variety of studies and experiments. Thousands of plant species are cultivated for aesthetic purposes as well as to provide shade, modify temperatures, reduce wind, abate noise, provide privacy, and prevent soil erosion. People use cut flowers, dried flowers and houseplants indoors or in greenhouses. In outdoor gardens, lawn grasses, shade trees, ornamental trees, shrubs, vines, herbaceous perennials and bedding plants are used. Images of plants are often used in art, architecture, humor, language, and photography and on textiles, money, stamps, flags and coats of arms. Living plant art forms include topiary, bonsai, ikebana and espalier. Ornamental plants have sometimes changed the course of history, as in tulipomania. Plants are the basis of a multi-billion dollar per year tourism industry which includes travel to arboretums, botanical gardens, historic gardens, national parks, tulip festivals, rainforests, forests with colorful autumn leaves and the National Cherry Blossom Festival. Venus Flytrap, sensitive plant...
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