Q22.
(i) Create a terrestrial food chain depicting four trophic levels.
(ii) Why do we not find food chains of more than four trophic levels in nature?
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Q22.
(i) Create a terrestrial food chain depicting four trophic levels.
(ii) Why do we not find food chains of more than four trophic levels in nature?
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Answer:
a The first level is called producers and this consist of producers which are the green plants.
Then comes the second level called the primary consumers like earthworms, which feeds on the green plants.
Next is the secondary consumers like hens, birds which feeds on the earthworms.
b Trophic Levels and Energy
Energy is passed up a food chain or web from lower to higher trophic levels. ... This loss of energy explains why there are rarely more than four trophic levels in a food chain or web.
Explanation:
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Answer:
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Explanation:
Food chains are limited to 4 trophic levels because less and less energy is available at higher trophic levels.
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