question: What sentence would provide a factual answer to this question: "What is a source of energy for animals?"

answer: food is a source of energy for animals

question: What sentence would provide a factual answer to this question: "Opposite the winter solstice, the summer solstice features"

answer: the amount of daylight is greatest on the summer solstice

question: What sentence would provide a factual answer to this question: "Why did the chicken cross the road?"

answer:
if a habitat can no longer support animals then those animals will move to another area