Represents a single pathway through which energy and matter flow _____ 2. feeding positions in a food chain or web _____ 3. the living aspects of the environment _____ 4. the role of a species in its ecosystem _____ 5. consumes the soft tissues of dead animals _____ 6. the physical environment in which a species lives _____ 7. represents multiple pathways through which energy and matter flow _____ 8. states that two different species cannot occupy the same niche in the same place for very long _____ 9. the nonliving aspects of the environment _____ 10. the study of how living things interact wit