Final answer:
The approach used in the report focuses on organisms and their ecological interactions, includes evaluating energy sources using the metric EROEI, and suggests simplicity in projecting future scenarios.
Step-by-step explanation:
The question seems to be referring to the approach used in a specific report related to environmental or biological study. Without the full context, it's difficult to provide a precise answer, but based on the provided references, the approach mentioned focuses on organisms and their relationships within ecology. This approach might involve looking at individual species, their interactions, and impact on ecosystems, possibly drawing from broader ecological concepts to understand these relationships.
The mention of EROEI, which stands for Energy Returned on Energy Invested, suggests that the report might also be evaluating different energy sources in relation to their efficiency and impact. This metric is crucial for understanding the sustainability of energy sources in an ecological context.
Last, the guidance to 'keep it simple' implies that the approach for projections or extrapolations into the future should not be overly complicated. One should explain their methodology in a straightforward manner when making predictions in scientific reports or studies.