1. Find a piece of paper or drawing software and draw an arrow on it. The arrow indicates the direction of energy flow.

2. The bottom layer is cicada, so write cicada on the arrow, and then draw a vertical line from the arrow of cicada.

Draw a mantis on the second floor. Because mantis preys on cicada, it draws an upward diagonal line from the starting point of vertical line above the arrow of cicada.

Draw a yellow bird on the third floor. Because the yellowbird preys on the mantis, it draws an upward diagonal from the starting point of the vertical line above the mantis arrow.