Food chain | Definition, Types, & Facts | Britannica
网页food chain, in ecology, the sequence of transfers of matter and energy in the form of food from organism to organism. Food chains intertwine locally into a food web because most organisms consume more than one type of animal or plant.
Food Chain - National Geographic Society
网页2023年10月19日 · Producers, such as plants, create their own nutrients, while primary consumers, also called herbivores, rely on producers for food. The food chain describes who eats whom in the wild. Every living thing—from one-celled algae to giant blue whales (Balaenoptera musculus)—needs food to survive.
Food Chain – Definition, Parts, Types, and Examples - Science Facts
网页2023年2月17日 · A food chain refers to a linear sequence of organisms showing how energy or nutrient flows through an ecosystem when one organism consumes another for its survival. It provides information about which species eats which other species in nature.
What is a food chain? - BBC Bitesize
网页Discover what a food chain is and learn how animals and plants get their energy. Find out what the producer is in the food chain in this KS2 guide.
Food chain - Wikipedia
网页A food chain is a linear network of links in a food web, often starting with an autotroph (such as grass or algae), also called a producer, and typically ending at an apex predator (such as grizzly bears or killer whales), detritivore (such as earthworms and woodlice), or decomposer (such as fungi or bacteria). It is not the same as a food web.
Food Chains and Webs - National Geographic Society
网页Food Chains and Webs. A food chain outlines who eats whom. A food web is all of the food chains in an ecosystem. Each organism in an ecosystem occupies a specific trophic level or position in the food chain or web.
Food web | Definition, Ecosystem, Food Chain, & Examples
网页2024年8月28日 · Food web, a complex network of interconnecting and overlapping food chains showing feeding relationships within a community. A food chain shows how matter and energy from food are transferred from one organism to another, whereas a food web illustrates how food chains intertwine in an ecosystem.
9.3: Food Chains and Food Webs - Biology LibreTexts
网页2023年10月31日 · A food chain is a linear sequence of organisms through which nutrients and energy pass as one organism eats another; the levels in the food chain are producers, primary consumers, higher-level consumers, and finally decomposers.
Food chain Definition and Examples - Biology Online Dictionary
网页2023年6月15日 · A food chain is a group of organisms that are consumed in a linear order, passing nutrients and energy along the way. Each organism in a food chain is at a particular trophic level, which is determined by how many energy transfers distance it from the chain’s primary energy source.
Food Chain: Definition, Types, Examples, FAQs - BYJU'S
网页A food chain refers to the order of events in an ecosystem, where one living organism eats another organism, and later that organism is consumed by another larger organism. The flow of nutrients and energy from one organism to another at different trophic levels forms a food chain.
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