Question

What does the arrows mean in a food chain

Answer 1

the arrows in the food chain point to the organisms which are doing the eating. Thus the arrows in the food chain represent the flow of energy through the ecosystem. The algae and floating plants are the producers in this food chain. The aquatic crustaceans are the primary consumers which eat the producers.

Answer 2

The arrows in the food chain point to the direction in which animals are being eaten and used for energy. These arrows show the direction in which energy is being transfered between animals.