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.

[EX Q]: Question: What type of transport requires no energy and occurs when substances move from areas of higher to lower concentration? Answer: passive transport
[EX A]: Passive transport requires no energy and occurs when substances move from areas of higher to lower concentration.

[EX Q]: Question: What process is most responsible for the extinction of most species of plants and animals that have lived on Earth? Answer: environmental changes
[EX A]: Environmental changes is most responsible for the extinction of most species of plants and animals that have lived on earth.

[EX Q]: Question: Lying with their mouths open, a behavior called gaping, probably serves what function for crocodiles? Answer: cooling down
[EX A]:
Lying with their mouths open, a behavior called gaping, probably serves the function of cooling down for crocodiles.