Himari is studying the population level of organization within the field of biology by analyzing birth and death rates of spotted seals in Shiretoko National Park.
Spotted seals in Shiretoko National Park are a specific group of organisms that Himari is studying, indicating that she is focusing on the population level of organization within ecology. This level looks at groups of the same species inhabiting a given area. By examining birth and death rates, Himari is analyzing the dynamics of this particular group of spotted seals.