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: The properties of the alkali metals are similar to each other as expected for elements in the same what? Answer: family
answer:
The properties of the alkali metals are similar to each other as expected for elements in the same family.

question:
Question: Overharvesting is a serious threat particularly to which species? Answer: aquatic species
answer:
Overharvesting is a serious threat particularly to aquatic species.

question:
Question: Most of food's chemical energy ultimately comes from what source? Answer: sunlight
answer:
Most of food's chemical energy ultimately comes from sunlight.