Question

place the following organisms in order of energy flow in a desert food chain: first organisms in the chain (lowest trophic level) 1 cactus 2 hawk 3 lizard 4 grasshopper 5 snake

Explanation:

In a food - chain, energy flows from producers to consumers. Producers are at the lowest trophic level. Cactus is a producer in a desert ecosystem. Grasshopper is a primary consumer that eats the cactus. Lizard is a secondary consumer that preys on the grasshopper. Snake is a tertiary consumer that eats the lizard. Hawk is a quaternary consumer that preys on the snake.

Answer:

1. Cactus
2. Grasshopper
3. Lizard
4. Snake
5. Hawk