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Topic: Food chain

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Food web

Food energy

Trophic level

Ecology

Energy economics

Ecosystem

Biocoenosis

Orca

Calorie

Phytoplankton

Copepod

Ecological niche

Fish

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	Food Chain Centre - Best practise for you business
		The Food Chain Centre is part of a national strategy to improve the competitiveness and profitability of farming.
		The Food Chain Centre is part of the national strategy to improve the competitiveness and profitability of farming as set out in the Curry Report.
		The Food Chain Centre is one part of a national strategy that is being monitored by Defra.
	www.foodchaincentre.com /faqs (1772 words)

	Food Chain Centre - Best practise for you business
		The Food Chain Centre is conducting a wide range of pilot programmes in the fresh produce sector aimed at improving business competitiveness.
		The Food Chain Centre is running a programme of dairy value chain analysis to help identify improvements in supply chains and strengthen Collaboration.
		The Food Chain Centre’s programme of 9 red meat value chain analyses has been completed and all the results are now published.
	www.foodchaincentre.com /type.asp?type=1 (296 words)

	Food chain Summary
		In a food chain a producer is eaten by a herbivore that is in turn eaten by a carnivore.
		Food chains are channels for the oneway flow of solar energy captured by photosynthesis through the living components of ecosystems.
		Food chains are also pathways for the recycling of nutrients from producers, through herbivores, carnivores, omnivores, and decomposers, finally returning to the producers.
	www.bookrags.com /Food_chain (3405 words)

	Food Chain: EnchantedLearning.com
		A food chain is the sequence of who eats whom in a biological community (an ecosystem) to obtain nutrition.
		The trophic level of an organism is the position it holds in a food chain.
		Fill in arrows that trace the flow of energy in four food chains, incuding ones from the tundra, desert, rainforest, and swamp.
	www.enchantedlearning.com /subjects/foodchain (962 words)

	Food Chains and Webs
		There cannot be too many links in a single food chain because the animals at the end of the chain would not get enough food (and hence energy) to stay alive.
		Most animals are part of more than one food chain and eat more than one kind of food in order to meet their food and energy requirements.
		This interdependence of the populations within a food chain helps to maintain the balance of plant and animal populations within a community.
	www.vtaide.com /png/foodchains.htm (778 words)

	4(e) Food Chain as an Example of a System
		In this diagram, we begin the food chain with 100,000 units of light energy from the sun.
		In the food chain model, the parts are the sun, plants, herbivores and carnivores.
		The structure within the food chain is defined by the functional relationships between the elements and attributes of the system.
	www.physicalgeography.net /fundamentals/4e.html (838 words)

	Desert Food Chain - DesertUSA (Site not responding. Last check: )
		A food chain constitutes a complex network of organisms, from plants to animals, through which energy, derived from the sun, flows in the form of organic matter and dissipates in the form of waste heat.
		The food chain’s biological productivity and species diversification depend on factors such as the daily duration and angle of seasonal sunlight, the timely availability of water, the daily swings of seasonal temperatures, the chemical content of the soils, and the availability of nutrients.
		In a food chain in our Southwestern desert region – as in a food chain in any other biologically distinctive region, or “biome,” on earth – it is the plants, or the “producers,” that capture the energy from the sun and initiate the flow, becoming the first link in the chain.
	www.desertusa.com /mag05/feb/food.html (3034 words)

	BBC NEWS \| Wales \| 'Record fine' for fast food chain
		Bridgend County Borough Council took the fried chicken chain to court after inspections on 25 September 2005 and 22 May 2006.
		During the first inspection officers noticed dirty floors and equipment soiled by food splashes and grease, a council spokesman said.
		The inspectors were also said to have seen practices which could lead to food poisoning, such as staff wearing dirty aprons and not washing their hands after handling raw chicken.
	news.bbc.co.uk /1/hi/wales/6193106.stm (431 words)

	Reference Library - Science - Food Chain
		While being food for animals higher in the food chain, these animals may eat other animals or plants to survive.
		If one animals source of food disappears, such as from over fishing or hunting, many other animals in the food chain are impacted and may die.
		At the bottom of the food chain are the sea plants and plankton.
	www.kidport.com /RefLib/Science/FoodChain/FoodChain.htm (283 words)

	PW: Food Chains 7
		While food webs simplify a very complex series of interdependent relationships, the basic concept is central to environmental education.
		A food chain shows the transfer of energy from the sun to plants to animals.
		Because the construction of the food web incorporates the concepts of the food chain, the ability of the students to construct a web and extrapolate on the interactions of community members demonstrates an understanding of interdependence.
	www.unr.edu /nnap/PW/pw_fdchain.htm (1534 words)

	Food Chain
		The result of these factors is that the food chain is a pyramid: a small number of large animals at the top and a much larger number of small animals at the bottom.
		Thus the concept of a food cone is not just a gimmick to illustrate the life cycle of the copepod.
		Much of the material that flows between layers of food chains is not the whos that eat or are eaten but molecules, too small to be seen, even in a microscope.
	www.scienceisart.com /B_FoodChain/FoodChain.html (2073 words)

	Food Chains, Food Webs, Biomass Pyramids & Cycles
		A food chain almost always begins with a green plant (producer) which is eaten by an animal (consumer).
		The arrow means 'is eaten by', and shows the flow of matter and energy along the food chain.
		The more organisms there are in a food chain, the greater is the accumulation in the higher order consumers.
	qldscienceteachers.tripod.com /junior/biology/foodchains.html (714 words)

	NCL Advocacy: Consumer Expectations of a Safe Food Supply Chain
		I say “most of” because as you know, there are operators in the food chain from the farm to the table who do not implement HACCP, who have been incompetent, irresponsible and who do not give their customers product that is safe.
		Assuring food safety – reducing the incidence of foodborne illness -- continues to be a challenge – and a difficult one.
		Food production systems are gradually shifting to larger, more concentrated operations, and this offers new challenges, not only in keeping animals healthy, but in assuring that air emissions are controlled – in consideration of the environment and for the surrounding communities.
	www.nclnet.org /advocacy/food/speech_food_chain_05062003.htm (3025 words)

	Balance of Nature
		Food chains and webs show how food and energy are passed between species.
		In a food chain, energy and nutrients are passed from one organism to another.
		Food Chains rarely contain more than six species because amount of energy passed on diminishes at each stage, or trophic level.
	www.cas.psu.edu /DOCS/WEBCOURSE/WETLAND/WET1/balnat.html (593 words)

	Re: What is a food chain?
		Food chains are an interesting and important subject to understand about the world around us.
		The idea of a "chain" means that all these animals are linked together, so anything that affects one "link" in the chain affects everything in the chain.
		Food chains are still an important concept to understand.
	www.madsci.org /posts/archives/mar98/889129527.En.r.html (492 words)

	Desert Food Chain-k12 (Site not responding. Last check: )
		In this article, the first in a series aimed at explaining the desert food chain to young people, we invite you to explore with us the pathway that energy, beginning with sunlight, follows as it flows through communities of plants and animals that make up food chains.
		“Food chain,” as you may know, is the term biological scientists use to describe the sequence of living organisms through which energy passes as it fuels the life of a community of plants and animals.
		Energy begins to flow through the food chain when plant tissue is consumed by animals, for instance, insects such as weevils, reptiles such as turtles, birds such as pigeons, or mammals such as rabbits and deer.
	www.desertusa.com /food_chain_k12/kids_1.html (1378 words)

	Spotlight: Securing the food chain
		FAO's food chain approach is, therefore, a matrix of targeted interventions carried out by a variety of actors, including food regulatory agencies, agricultural extension services, rural radio, producers, processors, vendors and, finally, consumers.
		Coordinated studies on food composition and on the nature and effects of different post-harvest handling and processing technologies and practices would aid in determining the expected nutrition value of specific foods, especially local and traditional foods that are marketed through informal or semi-formal food chains.
		The dye, which is approved for colouring solvents, petrol and shoe polish, entered the UK's food chain in a batch of chilli powder that was used to manufacture a worcester sauce.
	www.fao.org /ag/magazine/0504sp2.htm (1224 words)

	E. coli exposes weakness in food chain - USATODAY.com (Site not responding. Last check: )
		Food safety advocates are calling for stringent regulations, and they say a single agency should be in charge of making sure all food is safe.
		The Food and Drug Administration has repeatedly told the entire industry to get the problem under control, but FDA does not have inspection or safety programs for produce like the Agriculture Department has for meat and poultry.
		While the food system is vastly centralized, "what we don't have is a centralized agency that's really in charge of ensuring that the products are safe," said Caroline Smith DeWaal, director of food safety for the Center for Science in the Public Interest.
	rssfeeds.usatoday.com /~r/UsatodaycomHealth-TopStories/~3/35349305/2006-10-09-food-chain-outbreak_x.htm (1002 words)

	NCDMF Kid's Pages Food Chain (Site not responding. Last check: )
		Food chains begin with tiny floating plants called phytoplankton and small animals called zooplankton.
		The next step in the chain is a small fish, like a bay anchovy or a menhaden, which eats the small organisms.
		The next link in the chain is the fisherman who catches the sea trout and eats him for dinner.
	www.ncfisheries.net /kids/foodchain.htm (156 words)

	Journey North Common Loons
		We at Journey North calculated that the total amount of food eaten by a pair of loons and their growing chicks is about 360 kg, (792 pounds, or less than half a ton) during the 120-day breeding season.
		That's still a lot of food for a family of four whose total weight is only about 32 pounds at the time the young leave the nest.
		A food chain is a simple drawing to illustrate how each animal eats some things and is eaten by others.
	www.learner.org /jnorth/tm/loon/FoodChain.html (804 words)

	Food Chain
		Food Chain offers a practical way to conduct experiments and investigate a simple lake ecosystem.
		Using an inquiry-based approach to learning, Food Chain presents specific challenges for students to design their own experiments and test their hypotheses through simulation.
		Food Chain challenges students to think critically as they hone their skills in applying the scientific method.
	www.iseesystems.com /store/FoodChain/FoodChain.aspx (411 words)

	The Food Chain, www.foodchain.org.uk
		The Food Chain provides nutrition services including home delivered meals, essential groceries and nutrition advice to men, women and children who are chronically sick as a result of HIV related illness.
		Each year The Food Chain is privileged to be able to host a Carol Service at St Paul’s Church in Covent Garden.
		This October The Food Chain will be offering a unique opportunity for potential volunteers to come and 'have a go' and see what we do.
	www.foodchain.org.uk (416 words)

	Friends of Saguaro National Park - Kid's Page: Food Chain Game (Site not responding. Last check: )
		If one "link" in this food "chain" is disturbed, it can be bad for all of the other wildlife in the food chain, as everyone needs food to survive.
		In turn, there may not be enough food for the larger animals that depend on those other animals – and so on.
		At the other end of the chain are the plants and smaller animals that are more likely to be food than to chase food.
	www.friendsofsaguaro.org /foodchaingame.html (472 words)

	BBC - GCSE Bitesize - Biology \| Living things \| Food chains
		food chain shows who eats what in a particular habitat.
		The other organisms in the food chain are consumers, because they all get their energy and biomass by consuming (eating) other organisms.
		This also explains why the organisms at the top of food chains (eg owls) are very small in number compared with those lower down (eg grass plants).
	www.bbc.co.uk /schools/gcsebitesize/biology/livingthingsenvironment/1feedingrelationshipsrev3.shtml (314 words)

	Biology/Chemistry
		The plants and animals in a food chain depend on each other to live.
		Discuss how the chain worked (everyone got food – well distributed, the sun was the original source of energy, all the participants depend on each other).
		We can see from our experiment today that food chains need to be balanced.
	www.iit.edu /~smile/chbi1300.htm (698 words)

	Chain Reaction - Build a Food Chain
		The order that animals feed on other plants and animals is called a food chain.
		Bioaccumulation is the increase in concentration of a substance in living organisms as they take in contaminated air, water, or food.
		As bigger animals eat smaller animals, the level of contamination in the food is added to the level of contamination already in their body.
	www.ecokidsonline.com /pub/eco_info/topics/frogs/chain_reaction/index.cfm (157 words)

	PLANETPALS food chain earth science animals herbivores carnivores
		Green plants are considered producers and the are at the beginning of the food chain.
		These living things need the producers to be their food.
		They are considered consumers and are next in the food chain.
	www.planetpals.com /foodchain.html (199 words)

	Food Chains
		A food chain is a model that shows how energy is passed, in the form of food, from one organism to another.
		A food chain can have as many as three to four consumers.
		Although decomposers are very important to ecosystems, they are usually not shown on the food chain.
	www.usoe.k12.ut.us /curr/science/sciber00/8th/energy/sciber/chains.htm (334 words)

	Along the Food Chain
		A food chain is a model of feeding relationships in an ecosystem.
		It has generally been accepted that the length of a food chain (i.e., the number of trophic levels) in a given ecosystem is a function of the amount of food energy in the ecosystem.
		The researchers suggest two explanations for why larger lakes have longer food chains: larger lakes have top predators that aren't found in smaller lakes; and some species that are found in both large and small lakes eat higher up on the food chain in larger lakes.
	www.riverdeep.net /current/2002/09/090902t_foodchain.jhtml (864 words)

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