In this task, you are given a sentence and a question, you would be asked to create the answer which is contained in the sentence provided.
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Question: Sentence: During the first year after birth, a baby called a(n) infant. Question: During the first year after birth, what is a baby called?

Answer: infant


Question: Sentence: Sexual reproduction usually occur during times of environmental stress. Question: What type of reproduction usually occur during times of environmental stress?

Answer: sexual reproduction


Question: Sentence: What's the term for the gradual progression from simple plants to larger more complex ones in an area? Question: What's the term for the gradual progression from simple plants to larger more complex ones in an area?

Answer:
primary succession