One of the challenges that scientists face when classifying a new fossil is that any tiny detail is all that separates one species from another. Further exploration is required to identify another set of characteristics that may help in deciding which organism belongs or create a new class.
B) Ecosystem - which includes the living communities and nonliving factors in an environment
Answer: All
Explanation: A community is an assembly of one or more species that interacts with one another. However, in a community, the organisms would also interact with their environment.
