what is meant by trophic level in food chain ? construct a terrestrial food chain with four trophic levels. The energy flow in a food chain is always unidirectional . why ?
Answers
Answer:
each level consists of living creatures that share the same function in the food chain this is known as trophic level
Explanation:
the energy flow in a food chain is always unidirectional it is because the energy transferred to the next trophic level cannot be come back to the previous one for example the energy consumed by the plants from the sunlight cannot be backed and the energy consumed by the herbivorous from the plants cannot be given back to plants does the energy flow in a food chain is always unidirectional and it flows from one trophic Level to another.
Answer:
Trophic Level: Trophic levels are the steps in a food chain at which transfer of food energy takes place from one organism to another.
e.g. Plants-->insects-->frog-->eagle
The energy flow in a food chain is unidirectional. The energy that is captured by the autotrophs does not revert back to the sun and the energy which passes to the herbivores does not come back to the autotrophs. As the energy moves progressively through the various trophic levels it is no longer available to the previous level.