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
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The answer is (B) t...
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異種化感（allelopathy）：指一...
阿摩線上測驗
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