Generate a sentence that answers this question: "A skill, or learned characteristic is".

Answer: skills are learned characteristics

Generate a sentence that answers this question: "An animal that often lives in holes in the ground in fields has".

Answer: mice live in in holes in the ground in fields

Generate a sentence that answers this question: "If an environment experiences a long drought".

Answer:
if the amount of available food and water decreases in an environment then animals may leave that environment to find food and water