炎德英才大联考·长沙市一中2024届高三月考试卷(二)2英语答案正在持续更新，目前2025衡水金卷单元卷答案网为大家整理了相关试题及答案，供大家查缺补漏，高效提升成绩。

They picked up 49 animal species including rhinoceros,giraffes and elephants."We even detected the guppy that was living in the pond in the rainforest house,"Bohmann says."It was just absolutely mind-blowing. Could airborne DNA help track endangered species?There are a lot of unanswered questions.For one thing,Elizabeth Clare,who was also sampling at an outdoor zoo park in Cambridgeshire,UK,says,"Researchers still aren't sure what the eDNA they're detecting actually is.It could be skin,saliva, or even urine or feces.Also,there were some species we simply never detected even though they were there.