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A food web is the natural interconnection of food chains and a graphical representation of what-eats-what in an ecological community. Ecologists can broadly define all life forms as either autotrophs or heterotrophs, based on their trophic levels, the position that they occupy in the food web.
Nutritional anthropology is the study of the interplay between human biology, economic systems, nutritional status and food security.If economic and environmental changes in a community affect access to food, food security, and dietary health, then this interplay between culture and biology is in turn connected to broader historical and economic trends associated with globalization.
The trophic level of an organism is the position it occupies in a food web. Within a food web, a food chain is a succession of organisms that eat other organisms and may, in turn, be eaten themselves. The trophic level of an organism is the number of steps it is from the start of the chain. A food web starts at trophic level 1 with primary ...
Food science. Food science is the basic science and applied science of food; its scope starts at overlap with agricultural science and nutritional science and leads through the scientific aspects of food safety and food processing, informing the development of food technology . Food science brings together multiple scientific disciplines. [ 1]
A nutrient cycle (or ecological recycling) is the movement and exchange of inorganic and organic matter back into the production of matter. Energy flow is a unidirectional and noncyclic pathway, whereas the movement of mineral nutrients is cyclic. Mineral cycles include the carbon cycle, sulfur cycle, nitrogen cycle, water cycle, phosphorus ...
Consumer spending accounts for the vast majority of the US economy, about 70% of it. Spending accelerated sharply in the second quarter to an annual rate of 2.3%, up from 1.5% in the first quarter ...
List of food origins. Some foods have always been common in every continent, such as many seafood and plants. Examples of these are honey, ants, mussels, crabs and coconuts. Nikolai Vavilov initially identified the centers of origin for eight crop plants, subdividing them further into twelve groups in 1935. [ 1]
Food history. Food history is an interdisciplinary field that examines the history and the cultural, economic, environmental, and sociological impacts of food and human nutrition. It is considered distinct from the more traditional field of culinary history, which focuses on the origin and recreation of specific recipes.