Question

In the following food chain who gets less energy than the tertiary consumer?
Grass $\to$ Grasshopper $\to$ Frog $\to$ Snake $\to$ Eagle

• A. Grasshopper
• B. Frog
• C. Snake
• D. Eagle

Answer 1

Answer: (D)

Eagle

• In a food chain, consumers are categorized into three groups: primary consumers, secondary consumers, and tertiary consumers.
• Primary consumers are herbivores, feeding on plants and fungus.
• Secondary consumers are carnivores, feeds on other animals.
• Tertiary consumers are usually at the top of food chains, capable of feeding on secondary consumers and primary consumers.
• According to the ten percent law, exactly 90% of the energy is lost in the transfer at each trophic level, and only 10% is passed on as usable biological energy. Here, the eagle is at the top of the food chain and the snake is the tertiary consumer. Hence, the correct answer is option D.