Final answer:
Bacteria is not an abiotic factor, while temperature, soil, and rainfall are examples of abiotic factors in an ecosystem.
Step-by-step explanation:
An abiotic factor is a non-living component of an ecosystem that can influence the organisms living within it. In this case, bacteria is not an example of an abiotic factor because it is a living organism. The other options, temperature, soil, and rainfall, are all examples of abiotic factors that can affect the environment and the organisms living in it.
Learn more about Abiotic factors in an ecosystem