means by which more food can be grown than before‚ on the same piece of land. Improved methods of agriculture have led to the production of about 360m tonnes of plant food products and about 88m tonnes of animal food products. OBJECTIVES After completing this lesson‚ you will be able to: • state reasons for human dependence on plants and animals for food; • define and differentiate between agriculture and horticulture; • list and explain the various steps for raising an improved crop; • differentiate
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Agriculture is a primary activity & is closely related to the natural environment. The term agriculture has been derived from the Latin word ‘Ager’ meaning field & ‘culture’ meaning cultivation. And agriculture practices means the steps involved in agriculture which can be seen generally been done by farmers and gardeners. Agricultural practices such as irrigation‚ crop rotation‚ fertilizers‚ pesticides and animals were developed long ago‚ but have made great strides in the past century. The history
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Question: Describe five different organelles and their functions. Explain the similarity and differences between eukaryotic cells and prokaryotic. All eukaryotic cells‚ whether from animals‚ plants‚ protists‚ and fungi‚ are fundamentally similar to one another but different from prokaryotic cell. A eukaryotic cell contains various other organelles‚ which perform specific functions in the cell. These organelles can be organized into few basic functional groups such as genetic control‚ distribution
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Agriculture‚ also called farming or husbandry‚ is the cultivation of animals‚ plants‚ fungi‚ and other life forms for food‚ fiber‚ biofuel‚drugs and other products used to sustain and enhance human life.[1] Agriculture was the key development in the rise of sedentary human civilization‚ whereby farming of domesticated species created food surpluses that nurtured the development of civilization. The study of agriculture is known as agricultural science. The history of agriculture dates back thousands
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Department of Distance Education‚ Punjabi University‚ Patiala (Punjab)‚ India. E-mail: Abstract: A progressive agriculture serves as a powerful engine of economic growth of any country. It helps in initiating and sustaining the development of other sectors of the economy. In view of this‚ after independence the Government of India adopted a positive approach and specific programmes like new agriculture technology were introduced. Indian farmers being poor were not in a position to buy these expensive inputs
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is consumed by the farmers and their families. Where facilities like irrigation and electricity are available‚ farming has improved. Important cash crops like sugarcane‚ oilseeds‚ cotton and jute are grown. The subsistence agriculture has given way to commercial agriculture to some extent. Dry land farming is practised in areas where the rainfall is low and irrigation facilities are inadequate. Here‚ emphasis is laid on conservation of moisture‚ and on crops like jowar‚ bajra and pulses‚ which need
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Hormones and Behaviors Sarah Wegner BEH/225 December 12‚ 2014 Nancy Ault Hormones and Behaviors The endocrine system plays a big part in the production and distribution of hormones into the body. These hormones can affect an individual’s behavior greatly. Hormones such as estrogen affect a woman’s moods and emotions; steroid hormones cross the bloodstream directly to the brain and affect the neurons directly. This action can cause changes in behavior for both men and women. The endocrine system acts
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passed down from generation to generation. I will compare and contrast the hereditary and hormones that affect human behaviors. I will identify the hormones and glands as well as describe the endocrine system. Heredity‚ and hormones‚ can affect behavior. Human behavior starts as thought processes in the brain. The different roles are that hormones can change our behaviors if they become imbalanced. Hormones are secreted by glands‚ which are controlled by a part of the brain called the hypothalamus
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Heredity and Hormones The Influences of heredity and hormones on human behavior The Influence of Heredity and Hormones on Human Behavior Human behavior has always been fascinating to many people. Scientists have long studied the factors that cause and contribute too many different types of human behaviors. The Effects Heredity Has On Human Behavior Many different traits are passed along to people through genetics. Some of these traits include the basics such as eye color‚ height‚ and
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more stuff Agriculture: Many of the plant foods we take for granted came from the Columbian Exchange. The one everyone talks about is the potato and its effect on Ireland. Feed corn is another New World plant. If we look at the effect of the potato and corn on Europe and America (European culture in the New World) we see that these two starches made possible an explosion in the numbers of humans and domestic animals the culture could support. In his book "Guns‚ Germs‚ and Steel‚" Jared Diamond
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