問題詳情
30. Allelopathy is _____.
(A) interference competition
(B) the secretion of toxins into the environment by plant roots
(C) intraspecific competition
(D) the transmission of viruses from deer to rabbits
(E) the death of one species from diseases transferred from a second species
參考答案
答案：B
難度：困難0.352941
統計：A(4),B(6),C(0),D(1),E(3)