Generate a sentence that answers this question: "A herd of deer may be forced to search for a new home if".

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

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

Generate a sentence that answers this question: "Sparrows gain lift with more grace than a vulture due to".

Answer:
as the weight of an animal decreases , that animal will fly more easily