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]
f. Population sizes are estim;q(os. n*-lw7brd ua pated by various methods. In this case, drone phe40 ce+mqj:xp otography was used. Suggest two reasons for the use of drone ph ecpj+0xe4 :qmotography as a method of counting the population of Kri-Kri on the island.
参考答案: The Kri-Kri are large (making photography a good option).
The island is small, isolated.
It is efficient in this case.
本题详细解析:
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