Question

Which of the following describes a food chain?

• A. Large number of animals competing for a source of food.
• B. Transfer of food energy from the green plants through a series of consumer organisms.
• C. Transfer of chemicals from one trophic level to another.
• D. None of the above

Answer 1

Answer: (B)

Transfer of food energy from the green plants through a series of consumer organisms.

• A food chain is defined as a linear network of links in a food web starting from producer organisms and ending at an apex predator species, or decomposer species.
• Green plants are known as producers as they trap energy from the sun and then pass it to all the consumers occupying successive trophic levels.

Therefore, the correct answer is option B.