生态学 - 2026 进行中

科目: 生态学
级别: IX
类别: 大学生
测试题目: 英语
问题示例: A population has an effective population size of 50 and a census size of 500. Which genetic process is expected to be especially strong because of the small effective size? Natural selection caused by directional environmental change, Random genetic drift caused by sampling effects, Horizontal gene transfer between unrelated species, Hybrid vigor caused by increased heterozygosity