Question

Which among the following is the correct sequence of food chain from a lower trophic level to a higher trophic level?

• A. Grass $\to$ Insect $\to$ Frog $\to$ Snake
• B. Frog $\to$ Grass $\to$ Insect $\to$ Snake
• C. Snake $\to$ Frog $\to$ Insect$\to$ Grass
• D. Grass $\to$ Snake $\to$ Frog $\to$ Insect

Answer 1

The correct option is A Grass $\to$ Insect $\to$ Frog $\to$ Snake

A food chain in an ecosystem consists of producers, primary consumers, secondary consumers.

Amongst the options, the producer is grass and the first consumer is the insect. The insect is then eaten by a frog, which is a secondary consumer. The frog would be eaten by a snake, which is a tertiary consumer.

So the correct food chain order will be:

Grass $\to$ Insect $\to$ Frog $\to$ Snake