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A freshwater aquatic food web. The blue arrows show a complete food chain (algae → daphnia → gizzard shad → largemouth bass → great blue heron). A food web is the natural interconnection of food chains and a graphical representation of what-eats-what in an ecological community.
Food is any substance consumed to provide nutritional support and energy to an organism. [2] [3] It can be raw, processed, or formulated and is consumed orally by animals for growth, health, or pleasure.
The "Basic Seven" developed by the United States Department of Agriculture. Amid high food prices in 1972, Sweden's National Board of Health and Welfare developed the idea of "basic foods" that were both cheap and nutritious, and "supplemental foods" that added nutrition missing from the basic foods.
The origins of culinary arts began with primitive humans roughly 2 million years ago. [3] Various theories exist as to how early humans used fire to cook meat.
Portable Document Format (PDF), standardized as ISO 32000, is a file format developed by Adobe in 1992 to present documents, including text formatting and images, in a manner independent of application software, hardware, and operating systems.
This file is a work of the Centers for Disease Control and Prevention, part of the United States Department of Health and Human Services, taken or made as part of an employee's official duties. As a work of the U.S. federal government, the file is in the public domain.
The World Health Organization (WHO) makes the following five recommendations with respect to both populations and individuals: [10]. Maintain a healthy weight by eating roughly the same number of calories that your body is using.
An Amblypodia anita (purple leaf blue butterfly) gathering nutrients from guano. Nutrition is the biochemical and physiological process by which an organism uses food to support its life.