Which of the following organisms is a tertiary consumer? O frog
O redwood tree
O great white shark
athlete's foot fungus

Great White Shark

Explanation:

The great white shark is top of the food chain. The fungus is the bottom of the food chain with the decomposers. The redwood tree is the Primary consumer sense it gets its needs from the sun and the nutrients from the ground. Lastly, the frog is the fourth of the food chain with the Carnivores, secondary consumers.