本题目来源于试卷: SL Topic C4.1 Populations and communities，类别为 IB生物学
[问答题]
d. The population was estimated by usin) 1rtf:q7s/my)wyk xag drones to photograph the.b,jvctfz,s1xp3d j5p5 t 5bl population. Suggest why the population estc3lfjspx5b t . tb,p1vzjd5,5 imate is given to an uncertainty of ± 10.
参考答案: Photography is an accurate method of measurement/photography can be carried out over the whole island/ photography would not give a great difference between the estimated and the true population. Not all the goats may have been photographed.
The population may change each day/goats may be born or die.
本题详细解析:
暂无
| 
