question: What sentence would provide a factual answer to this question: "In order for trees to use sunlight they must"

answer: living things require respiration to use energy

question: What sentence would provide a factual answer to this question: "Paul's dog has just pooped on the lawn. The dog has"

answer: the digestive system breaks food into nutrients for the body

question: What sentence would provide a factual answer to this question: "Animals are unable to grow or remain healthy without"

answer:
an animal requires nutrients to grow and heal