In this task, you are given a question and an answer, you would be asked to create the sentence based on the Question-Answer provided. It should be contained within the Question-Answer provided.

Q: Question: Organisms incapable of photosynthesis that must therefore obtain energy and carbon from food by consuming other organisms are called what? Answer: heterotrophs

A: Organisms incapable of photosynthesis that must therefore obtain energy and carbon from food by consuming other organisms are called heterotrophs.
****
Q: Question: When food enters the stomach after a period of fasting, a drop in what initiates the conversion of pepsinogen to pepsin? Answer: ph

A: Ph food enters the stomach after a period of fasting, a drop in what initiates the conversion of pepsinogen to pepsin.
****
Q: Question: What is defined as the temperature plus precipitation of an area over a long period of time? Answer: climate

A:
The climate is defined as the temperature plus precipitation of an area over a long period of time.
****