According to the reading, mold growing in your shower is considered a small ecosystem. Ecosystems consist of biotic and abiotic factors. In this example, what are the water and dead skin cells respectively?

A) Community, population
B) Biotic factors, Abiotic factors
C) Abiotic factors, Biotic factors
D) Individual, community
E) All of the above

C) Abiotic factors, Biotic factors