Question
Which of the following is NOT a way in which energy is lost from a food chain? Give the number of the correct option. Enter a number 1 Respiration to provide energy for movement 2 Loss of heat to the surroundings 3 Production of waste materials such as gases or faeces 4 Reproduction to produce offspring
Answer
4.5
(269 Votes)
Seren
Veteran · Tutor for 11 years
Answer
4
Explanation
A food chain represents the transfer of energy from one organism to another. There are several ways energy is lost in a food chain. In any food chain, energy is spent by organisms for various physiological processes like respiration and movement. There is also energy loss to the environment in the form of heat as a result of metabolic reactions. Moreover, not all energy in food is utilized as some of it ends up as waste materials. However, the process of reproduction doesn't lead to energy loss in a food chain, since the proposition that energy is "lost" during reproduction could be misleading because reproduction is a way of propagating life, and any energy used in reproduction is passed on - not lost - to the offspring. Thus, here “Reproduction to produce offspring” is not illustrate a situation where energy is lost from a food chain.