summary of food pyramid

The biotic and abiotic components form an interacting system called 'ecosystem'. Producers, consumers and decomposers are the various trophic levels, which are linked by their food relationship forming a 'food chain'. Several food chains are interrelated and interconne..

Pyramid of Energy - "Pyramid of energy is a graphic representation of the amount of energy trapped per unit time and area in different trophic level of a food chain with producers forming the base and the top carnivores at the tip". Pyramid of Energy in a ..

Ecological pyramids are also called 'Eltonian pyramids' after C. Elton. Charles Elton (1927) developed the concept of ecological pyramids who noted that "the animals at the base of a food chain are relatively abundant while those at the end are relative..

Ecological Pyramids - Ecological pyramids are also called 'Eltonian pyramids' after C. Elton. Charles Elton (1927) developed the concept of ecological pyramids who noted that "the animals at the base of a food chain are relatively abundant while tho..

>Pyramid of Numbers in a Aquatic Ecosystem So, the producers are smallest sized but maximum in number while, top carnivores are larger in size but lesser in number, so these cannot be used as prey by another. Hence the pyramid of numbers is uprigh..

Although India's food production has increased by 300 percent, percapita availability of food has reduced, in the last 50 year..

Nutrition can be defined as the process by which an organism obtains food that is used to provide energy and materials for its life sustaining activitie..

Nutrition can be defined as the process by which an organism obtains food that is used to provide energy and materials for its life sustaining activities There are basically two modes of nutrition: - Autotrophic - Heterotrophic Autotrophic Nutrition Organisms which synthesize their ow..

Biology is a branch of science that deals with the study of life. Hence, it is also called life science. The simple curiosity of human beings to observe nature and the human basic instincts for survival and gathering food probably had a role in the birth and development of biolog..

Our body is made up of tissues, which are all composed of chemicals. We need an adequate supply of chemicals in the form of food, vitamins, hormones, and enzymes, which are in turn chemicals. For taking care of our health we need medicines. We find that chemicals and chemistry penetrate i..