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.
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Question: Question: The amniotic egg first evolved in what species? Answer: reptiles

Answer: The amniotic egg first evolved in reptiles.


Question: Question: One of the main features all vetebrates have in common is what? Answer: backbone

Answer: One of the main features all vetebrates have in common is a backbone.


Question: Question: Why does ice wedging occur? Answer: water expands

Answer:
Ice wedging occurs because water expands.


