instruction:
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.
question:
Question: What do you call sound that has a wave frequency higher than the human ear can detect? Answer: ultrasound
answer:
You call sound that has a wave frequency higher than the human ear can detect ultrasound.


question:
Question: What do ecosystems absorb on the earth? Answer: energy
answer:
Energy do ecosystems absorb on the earth.


question:
Question: Which of the following observations best supports the conclusion that two animal species evolved from a common ancestor in recent geological history? Answer: The species have similar bone structure.
answer:

The conclusion that two animal species evolved from a common ancestor in recent geological history is best supported by the observation that the species have similar bone structure.