instruction:
Given a fact, create a question that can be answered using the fact. Construct the question such that it is unambiguous, has a unique answer and the answer can be given using the fact.
question:
Fact: condensing causes a liquid to form
answer:
Which is the best example of condensation?


question:
Fact: if an animal is trained to do something then that something is a learned behavior
answer:
Which would be considered a learned behavior?


question:
Fact: as the supply of food in an environment decreases , the population of animals in that environment will decrease
answer:

What is an example that ecosystems are an interconnected world?