Advertisements
Advertisements
Question
Why are autotrophs considered to be at the first trophic level of all food chains?
Solution
In a food chain, producers (green plants) make up the first trophic level. It's because they use sunlight and nutrients from the soil or water to produce their own sustenance through a process called photosynthesis.
APPEARS IN
RELATED QUESTIONS
Which one of the following in NOT a mode of nutrition in fungi?
Which one of the following in NOT a mode of nutrition in fungi?
Which of the two sets belong to the same trophic level?
In a food chain the second trophic level is occupied by ______.
Food chains are very important for the survival of most species.
The decomposers are not included in the food chain. The correct reason for the same is because decomposers:
Observe the food web and answer the questions given below:
Which trophic level is incorrectly defined?
Which of the following limits the number of trophic levels in a food chain?
In the given figure the various trophic levels are shown in a pyramid. At which trophic level is maximum energy available?
State the reason for limited number of trophic levels in nature.
Why do different food chains in an ecosystem not have more than four to five trophic levels? Give reason.
