organic food in usa

With world wide awareness about dangers of persisting pesticides in food crops, enormous interest is shown in food grown on organic farming principles. Such food is called organic food..

With world wide awareness about dangers of persisting pesticides in food crops, enormous interest is shown in food grown on organic farming principles. Such food is called organic food . Organic farming is a method of farming whe..

Food Chain and Food Webs - "Food chain is a series of groups of organisms called trophic levels, in which, there is repeated eating and eaten by so as to transfer food energ..

Food Chains and Food Webs - While studying the biotic components in an ecosystem we have realised that food prepared by green plants is consumed by a series of consumers, both herbivores and carnivores, and finally broken down into their elements and released back into..

It involves the movement of organic substances such as hormones and food. It is a bi-directional movement. The complex permanent tissues are classified into two types, namely Xylem which is involved in inorganic translocation and Phloem which is involved in organic tra..

Human Dependence on Plants and Animals for Food - Of all the living organisms, only plants are autotrophs i.e., they are capable of synthesizing their own food. Animals are heterotrophs i.e. they are incapable of synthesizing their own food. They depend on pl..

Food Web - In nature, food chain relationships are not isolated. They are very complex, as one organism may form the food source of many organisms. Thus, instead of a simple linear food chain, there is a web like structure formed by these ..

Food Chains - A food chain is a series of steps by which energy is obtained, used, and transformed by living things. For example; sunlight helps plants to grow, the plants are eaten by cattle, and lions eat the cattle. All living organisms of the biosphere are related ..

Components of Food - The components of food are certain organic substances and minerals found in food. They are called nutrients. Nutrients provide the body with energy and enable it to grow, repair and maintain itself. Hence it is important that we understan..

Pesticides, detergents, chemical dyes and other industrial chemicals and their waste constitute synthetic organic compounds. When present in water, these chemicals can act as toxic poisons for plants, animals and humans. Such chemicals enter the hydrosphere either by usage, by accidental..