Generate a sentence that answers this question: "An acquired characteristic is".

Answer: an organism 's environment affects that organism 's acquired characteristics

Generate a sentence that answers this question: "Two birds in completely different houses can discuss something by".

Answer: sound can be used for communication by animals

Generate a sentence that answers this question: "What would have a better chance of survival if predators decreased?".

Answer:
as population of prey decreases , the population of predators will decrease