Final answer:
The correct statement is that Scientist 1 studies protists in ecosystems, and Scientist 2 studies fungi in the biosphere, showcasing the specialization within biological research fields.
Step-by-step explanation:
Identify the statement that correctly describes the studies of two different scientists. The correct option is: Scientist 1 studies protists in ecosystems, and Scientist 2 studies fungi in the biosphere. This reflects how biologists may focus their research on specific organisms and their interactions within particular levels of biological organization. Ecologists, a subset of biologists, investigate how organisms like protists and fungi engage with their environment at both the ecosystem and the biosphere level. Protists are diverse organisms, mostly single-celled, that can be found in various ecosystems, whereas fungi play critical roles in many biospheric processes, including decomposition and nutrient cycling.