ECOLOGY
ENERGY FLOW AND THE FOOD CHAIN
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Which of the following is true of a food chain? A food chain-
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shows the movement of energy through an ecosystem
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is exactly the same as a food web in every ecosystem
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never contains any green plants or other producers
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consists only of predators, prey, and decomposers
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Explanation:
Detailed explanation-1: -A food chain describes how energy and nutrients move through an ecosystem. At the basic level there are plants that produce the energy, then it moves up to higher-level organisms like herbivores. After that when carnivores eat the herbivores, energy is transferred from one to the other.
Detailed explanation-2: -The food chain is a linear sequence of organisms where nutrients and energy is transferred from one organism to the other. This occurs when one organism consumes another organism. It begins with the producer organism, follows the chain and ends with the decomposer organism.
Detailed explanation-3: -Thus, the correct answer is ‘Grass
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