The question is incomplete as figure is missing which is attached.
Answer:
C) 70 Kcal
Step-by-step explanation:
In a food chain, the energy is transferred from one trophic level to another trophic level following a mathematical law given by Lindeman called ten per cent law which states that only 10% of the total energy is transferred from one trophic level to another level.
In the given question since the shepherd is considered the secondary consumer or the third level which feeds on the primary consumer therefore by ten per cent law, the primary consumer receives only 70 kcal and the secondary consumers that are sheepshead receive only 7kcal.
Thus, C) 70 Kcal is the correct answer.