Concept: A food chain shows the transfer of energy from producers to consumers in a feeding order.
Explanation:Grass is the producer.
The grasshopper feeds on grass, so it is the primary consumer.
The toad feeds on the grasshopper, making it the secondary consumer.
The snake feeds on the toad, so it is the tertiary consumer.
The hawk feeds on the snake, making it the quaternary consumer and top predator.
Therefore, the correct order is grass → grasshopper → toad → snake → hawk.
Answer: B. Grass, grasshopper, toad, snake, hawk