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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 an ecosystem...
Food chains and webs show the transfer of energy between trophic levels. They can be represented as pyramids of number and biomass and the efficiency of these transfers can be calculated.
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.
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 19, 2023 · Each food chain is one possible path that energy and nutrients may take as they move through the ecosystem. All of the interconnected and overlapping food chains in an ecosystem make up a food web. Trophic Levels. Organisms in food webs are grouped into categories called trophic levels.
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Oct 19, 2023 · A food chain is a path that energy takes throughout a certain ecosystem. Together, all the food chains in an ecosystem make up a food web. Trophic Levels. Organisms in food webs are grouped into categories. These categories are called trophic levels. Producers. Organisms in the first trophic level are called producers.