Question

What is a food chain?
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A one-way model that shows how food resources are exchanged between living things
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A model that represents all the feeding relationships within a community of organisms
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A model that shows specifically how energy moves through living things
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An interaction where one organism kills and eats another organism

Answer 1

A food chain is best described as **a one-way model that shows how food resources are exchanged between living things**. It illustrates the linear flow of energy and nutrients from one organism to another, typically starting with a producer (like a plant) and moving through various levels of consumers (herbivores, carnivores, etc.).

However, it’s important to note that a more comprehensive representation of feeding relationships within a community is called a food web, which encompasses multiple food chains and illustrates the complex interconnections between various organisms.