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Which category of organisms forms the starting point of a food chain?
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Which of the following belong to the same trophic level?
Goat ; Spider ; Plants ; Hawk ; Rat
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Which of the following belong to the same trophic level?
Tree ; Frog ; Snake ; Grass ; Lizard
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Write an aquatic food chain.
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Name the organisms belonging to the second and the fourth trophic levels in the food chain comprising the following :
Frogs, Plants, Snakes, Hawk, Insects
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What are the various steps of food chain called?
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Construct a food chain comprising the following :
Snakes, Hawk, Rats, Plants
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Which organisms belong to third and fourth trophic levels in the food chain comprising the following?
Rats, Plants, Hawk, Snakes
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A food chain represents a unidirectional flow of X. What is X?
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Decomposer organisms are..........in their action.
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In nature, all green plants are............ whereas animals are consumers.
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A series of organisms, each of which feeds on the next organism, the beginning of which is a green plant, is called a .............
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Explain the terms 'producer' and 'consumer'. Give two examples of producers and two of consumers.
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What is the role of decomposers in the ecosystem?
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What is meant by a primary consumer, secondary consumer and a tertiary consumer? Give one example of each.
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Give an example of a four step food chain operating in grassland. Name the secondary consumer in this food chain
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Draw the food chain with four trophic levels.
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