Answer:
A. temperature
Step-by-step explanation:
Biotic and abiotic factors together constitute the environment.
- Biotic factor is the living factor which means that it's a living organism like animals or trees.
- Abiotic factors on the other hand are non living components of the environment like temperature, pH and humidity.
The interaction between biotic and abiotic factors effects the ecosystem. Both of these factors are important for an ecosystem to thrive.