Lakes and ponds have biotic and abiotic factors. Biotic factors are things that are living, such as plants, animals and micro-organisms. Abiotic factors are nonliving, such as physical and chemical interactions.
Biotic factors in an environment are the living organisms. Such as animals and plants. Water, temperature, and rock are examples of abiotic factors. Some examples of biotic factors in "Finding Nemo" are the fish, sharks, plants, and living coral.