What happens to energy as it flows through different trophic levels in a food chain?
Show answer & explanation
Correct answer: D
Explanation
Correct Answer:
Option 4: Some energy is dissipated into the environment.
Explanation:
In a food chain, energy flows from one trophic level to another, but it is not transferred completely. At each level, some energy is lost to the environment in the form of heat. This is why the amount of energy decreases at higher trophic levels. This is known as the ‘Law of Energy Flow,’ and it is the reason why food chains are limited in length.
Additional Facts:
Option 1: It does not undergo complete transformation.
Option 2: Not all energy is utilized.
Option 3: Energy is not stored permanently.
Option 4: Correct Answer.
Potential Questions for Upcoming Exams:
Question: What is the 10% Law?
Answer: Only 10% of the energy is transferred to the next level.
Question: Who are the producers?
Answer: Plants.
Question: What are consumers?
Answer: Organisms that consume food.
Question: What is an ecosystem?
Answer: Organisms + Environment.