Final answer:
The secondary consumers in this tundra ecosystem are the parasitic jaeger and the Arctic fox.
Step-by-step explanation:
In this food web, the secondary consumers are the organisms that eat the primary consumers. Based on the given options, the two organisms that are secondary consumers are the parasitic jaeger and the Arctic fox.
The parasitic jaeger is a seabird that feeds on other birds, including the primary consumers in this food web. The Arctic fox is a predator that hunts small mammals such as hares and rodents, which are also primary consumers. Therefore, both the parasitic jaeger and the Arctic fox are considered secondary consumers in this tundra ecosystem.