Question

Q. Which of the following is/are the reasons for food chains being short?

Select the correct answer using the codes given below:

• A.
  1 only
• B.
  2 only
• C.
  Both 1 and 2
• D.
  Neither 1 nor 2

Answer 1

The correct option is A

1 only
Explanation:

Statement 1 is correct: Loss of energy is progressively higher for higher trophic levels because the species at higher trophic loss more energy due to respiration.

Statement 2 is incorrect: Higher trophic levels tend to be less discrete because the organisms at progressively higher trophic levels receive energy from more than one source.