Which examples represent abiotic factors affecting biotic factors?

   Temperature. Temperature is one of the important abiotic factors that determine the rate of metabolic reaction and thus, the survival of various biotic factors.

   Light availability. The availability of sunlight is another important abiotic factor that affects the rate of photosynthesis in producers and also affects the breeding cycles in animals.

   Toxins and pollutants. Toxins and pollutants of all kinds are detrimental to the living component of the ecosystem. These toxins affect the tissues and metabolic pathways in various living organisms.

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Living organisms depends on abiotic factors such as light, temperature, water and soil etc for their growth and survival. In the above answer, Ash of volcano, warm water and rivers are abiotic elements while plant, algae and pollen are biotic elements.