最新提问
我的动态
登录后查看动态
题目内容双击单词支持查询和收藏哦～
题目材料：
Researchers who study human foraging have found that while hunters and fishers choose the resource areas (patches) with the highest mean profitability most frequently, they do not exploit these patches exclusively. A possible explanation for this finding might be daily variation in environmental conditions, such as prey movements and weather conditions. If such daily fluctuations do not equally impact the profitability of patches across a habitat, the most profitable patch on average may not be the most profitable patch every day. A study of Ifaluk fishers revealed that they pursue alternative lower-ranked patches when the returns on that morning or the previous day from the highest-ranked patch are lower than those typically available from alternative patches.
以上解析由 考满分老师提供。
