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A food chain always starts with a producer. A producer is an organism that makes its own food. Most food chains start with a green plant, because plants make their own food by photosynthesis.
Food chains show the flow of energy from one organism to another. Food chains show the feeding relationships between organisms. Food webs show how all the food chains in...
Key learning points. Animals need food from plants and other animals to stay alive. A food chain is used to show the order in which living things depend on each other for food. A food chain begins with a plant.
Feb 17, 2023 · In another part of the food chain, a caterpillar (primary consumer) eats the leaves of plants (producers) which are eaten by birds like sparrows (secondary consumer). A snake (tertiary consumer) preys on the sparrow, which an eagle, the apex consumer, eats.
Nov 21, 2022 · Food Chains and Food Webs. In ecology, a food chain is a linear sequence of organisms through which nutrients and energy pass: primary producers, primary consumers, and higher-level consumers are used to describe ecosystem structure and dynamics. There is a single path through the chain.
Oct 31, 2023 · 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.
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Key fact. The arrows in food chains show the way in which energy is moving. They do not show what eats what. Other words in a food chain. There are several words used to describe the...
