It might be between plants and water I'm not sure cause I'm on the same question.
The organism would not have to find a partner in order to reproduce.
Answer:
B, they share similar chemical properties.
Explanation:
The correct option is D. Organisms work best at their optimum temperature and pH, above and below these temperature they will not be able to function as expected. It is possible that the students above use different temperature and pH when they were carrying out their experiments, this will result in different efficiency rate by the yeasts.
